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1155135041 = 1380783663
BaseRepresentation
bin100010011011001…
…1111011001000001
32222111120221101022
41010312133121001
54331203310131
6310342315225
740424325434
oct10466373101
92874527338
101155135041
11543053065
12282a28b15
13155416478
14ad5b181b
156b62737b
hex44d9f641

1155135041 has 4 divisors (see below), whose sum is σ = 1155232512. Its totient is φ = 1155037572.

The previous prime is 1155135017. The next prime is 1155135067. The reversal of 1155135041 is 1405315511.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1155135041 - 230 = 81393217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1155135041.

It is not an unprimeable number, because it can be changed into a prime (1155135071) 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, 28025 + ... + 55638.

It is an arithmetic number, because the mean of its divisors is an integer number (288808128).

Almost surely, 21155135041 is an apocalyptic number.

It is an amenable number.

1155135041 is a deficient number, since it is larger than the sum of its proper divisors (97471).

1155135041 is an equidigital number, since it uses as much as digits as its factorization.

1155135041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97470.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1155135041 is about 33987.2776344326. The cubic root of 1155135041 is about 1049.2466375296.

The spelling of 1155135041 in words is "one billion, one hundred fifty-five million, one hundred thirty-five thousand, forty-one".

Divisors: 1 13807 83663 1155135041