11578574625 has 32 divisors (see below), whose sum is σ = 20400097536. Its totient is φ = 5811987200.

The previous prime is 11578574587. The next prime is 11578574627. The reversal of 11578574625 is 52647587511.

It is not a de Polignac number, because 11578574625 - 2⁶ = 11578574561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (11578574627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 901749 + ... + 914498.

It is an arithmetic number, because the mean of its divisors is an integer number (637503048).

Almost surely, 2^11578574625 is an apocalyptic number.

11578574625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11578574625 is a deficient number, since it is larger than the sum of its proper divisors (8821522911).

11578574625 is a wasteful number, since it uses less digits than its factorization.

11578574625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816282 (or 1816272 counting only the distinct ones).

The product of its digits is 2352000, while the sum is 51.

The spelling of 11578574625 in words is "eleven billion, five hundred seventy-eight million, five hundred seventy-four thousand, six hundred twenty-five".