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11225422553 = 71158104543
BaseRepresentation
bin10100111010001011…
…00101101011011001
31001222022121112211212
422131011211223121
5140442202010203
65053515432505
7545114342312
oct123505455331
931868545755
1011225422553
114840505124
122213455735
13109b843287
14786bcd609
1545a76b1d8
hex29d165ad9

11225422553 has 4 divisors (see below), whose sum is σ = 11383527168. Its totient is φ = 11067317940.

The previous prime is 11225422517. The next prime is 11225422591. The reversal of 11225422553 is 35522452211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35522452211 = 38392747917.

It is a cyclic number.

It is not a de Polignac number, because 11225422553 - 220 = 11224373977 is a prime.

It is a super-2 number, since 2×112254225532 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11225422253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79052201 + ... + 79052342.

It is an arithmetic number, because the mean of its divisors is an integer number (2845881792).

Almost surely, 211225422553 is an apocalyptic number.

It is an amenable number.

11225422553 is a deficient number, since it is larger than the sum of its proper divisors (158104615).

11225422553 is an equidigital number, since it uses as much as digits as its factorization.

11225422553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158104614.

The product of its digits is 24000, while the sum is 32.

Adding to 11225422553 its reverse (35522452211), we get a palindrome (46747874764).

The spelling of 11225422553 in words is "eleven billion, two hundred twenty-five million, four hundred twenty-two thousand, five hundred fifty-three".

Divisors: 1 71 158104543 11225422553