11255638704 has 20 divisors (see below), whose sum is σ = 29077066776. Its totient is φ = 3751879552.

The previous prime is 11255638679. The next prime is 11255638721. The reversal of 11255638704 is 40783655211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117246189 + ... + 117246284.

Almost surely, 2^11255638704 is an apocalyptic number.

It is an amenable number.

11255638704 is an abundant number, since it is smaller than the sum of its proper divisors (17821428072).

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

11255638704 is a wasteful number, since it uses less digits than its factorization.

11255638704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234492484 (or 234492478 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 11255638704 in words is "eleven billion, two hundred fifty-five million, six hundred thirty-eight thousand, seven hundred four".