11557232125 has 32 divisors (see below), whose sum is σ = 15593011200. Its totient is φ = 8522366400.

The previous prime is 11557232059. The next prime is 11557232147. The reversal of 11557232125 is 52123275511.

It is not a de Polignac number, because 11557232125 - 2¹³ = 11557223933 is a prime.

It is a super-2 number, since 2×11557232125² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22116 + ... + 153634.

It is an arithmetic number, because the mean of its divisors is an integer number (487281600).

Almost surely, 2^11557232125 is an apocalyptic number.

It is an amenable number.

11557232125 is a deficient number, since it is larger than the sum of its proper divisors (4035779075).

11557232125 is a wasteful number, since it uses less digits than its factorization.

11557232125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131590 (or 131580 counting only the distinct ones).

The product of its digits is 21000, while the sum is 34.

The spelling of 11557232125 in words is "eleven billion, five hundred fifty-seven million, two hundred thirty-two thousand, one hundred twenty-five".