11157152265 has 144 divisors (see below), whose sum is σ = 23214522240. Its totient is φ = 4939522560.

The previous prime is 11157152263. The next prime is 11157152273. The reversal of 11157152265 is 56225175111.

11157152265 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 71 + 522 + 65 = 666.

It is not a de Polignac number, because 11157152265 - 2¹ = 11157152263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11157152263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15097266 + ... + 15098004.

It is an arithmetic number, because the mean of its divisors is an integer number (161211960).

Almost surely, 2^11157152265 is an apocalyptic number.

11157152265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11157152265 is an abundant number, since it is smaller than the sum of its proper divisors (12057369975).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11157152265 is a wasteful number, since it uses less digits than its factorization.

11157152265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 962 counting only the distinct ones).

The product of its digits is 21000, while the sum is 36.

The spelling of 11157152265 in words is "eleven billion, one hundred fifty-seven million, one hundred fifty-two thousand, two hundred sixty-five".