11902512475 has 24 divisors (see below), whose sum is σ = 17755331840. Its totient is φ = 7732156320.

The previous prime is 11902512463. The next prime is 11902512521. The reversal of 11902512475 is 57421520911.

It is not a de Polignac number, because 11902512475 - 2¹⁵ = 11902479707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1786527 + ... + 1793176.

Almost surely, 2^11902512475 is an apocalyptic number.

11902512475 is a deficient number, since it is larger than the sum of its proper divisors (5852819365).

11902512475 is a wasteful number, since it uses less digits than its factorization.

11902512475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579739 (or 3579734 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 11902512475 in words is "eleven billion, nine hundred two million, five hundred twelve thousand, four hundred seventy-five".