11572011642 has 16 divisors (see below), whose sum is σ = 23153549472. Its totient is φ = 3855749520.

The previous prime is 11572011637. The next prime is 11572011653. The reversal of 11572011642 is 24611027511.

It is a super-2 number, since 2×11572011642² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381084 + ... + 410327.

It is an arithmetic number, because the mean of its divisors is an integer number (1447096842).

Almost surely, 2^11572011642 is an apocalyptic number.

11572011642 is an abundant number, since it is smaller than the sum of its proper divisors (11581537830).

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

11572011642 is a wasteful number, since it uses less digits than its factorization.

11572011642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793853.

The product of its (nonzero) digits is 3360, while the sum is 30.

The spelling of 11572011642 in words is "eleven billion, five hundred seventy-two million, eleven thousand, six hundred forty-two".