11312555265 has 48 divisors (see below), whose sum is σ = 21427286400. Its totient is φ = 5475575040.

The previous prime is 11312555249. The next prime is 11312555311. The reversal of 11312555265 is 56255521311.

11312555265 is a `hidden beast` number, since 1 + 1 + 3 + 125 + 5 + 526 + 5 = 666.

It is not a de Polignac number, because 11312555265 - 2⁴ = 11312555249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 277429 + ... + 315581.

It is an arithmetic number, because the mean of its divisors is an integer number (446401800).

Almost surely, 2^11312555265 is an apocalyptic number.

11312555265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11312555265 is a deficient number, since it is larger than the sum of its proper divisors (10114731135).

11312555265 is a wasteful number, since it uses less digits than its factorization.

11312555265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38774 (or 38771 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The spelling of 11312555265 in words is "eleven billion, three hundred twelve million, five hundred fifty-five thousand, two hundred sixty-five".