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1111225453 = 13105181331
BaseRepresentation
bin100001000111011…
…1111010001101101
32212102222002202021
41002032333101231
54233433203303
6302133230141
736352155232
oct10216772155
92772862667
101111225453
11520292148
12270192351
131492b1270
14a7821789
1567851ebd
hex423bf46d

1111225453 has 8 divisors (see below), whose sum is σ = 1197857696. Its totient is φ = 1024758000.

The previous prime is 1111225441. The next prime is 1111225499. The reversal of 1111225453 is 3545221111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1111225453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111223453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27003 + ... + 54328.

It is an arithmetic number, because the mean of its divisors is an integer number (149732212).

Almost surely, 21111225453 is an apocalyptic number.

1111225453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1111225453 is a deficient number, since it is larger than the sum of its proper divisors (86632243).

1111225453 is a wasteful number, since it uses less digits than its factorization.

1111225453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82395.

The product of its digits is 1200, while the sum is 25.

The square root of 1111225453 is about 33335.0484175440. The cubic root of 1111225453 is about 1035.7796961160.

Adding to 1111225453 its reverse (3545221111), we get a palindrome (4656446564).

The spelling of 1111225453 in words is "one billion, one hundred eleven million, two hundred twenty-five thousand, four hundred fifty-three".

Divisors: 1 13 1051 13663 81331 1057303 85478881 1111225453