11572580536 has 16 divisors (see below), whose sum is σ = 23671187640. Its totient is φ = 5260263840.

The previous prime is 11572580491. The next prime is 11572580543. The reversal of 11572580536 is 63508527511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11572580492 and 11572580501.

It is a congruent 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, 65753211 + ... + 65753386.

Almost surely, 2^11572580536 is an apocalyptic number.

It is an amenable number.

11572580536 is an abundant number, since it is smaller than the sum of its proper divisors (12098607104).

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

11572580536 is a wasteful number, since it uses less digits than its factorization.

11572580536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131506614 (or 131506610 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 11572580536 in words is "eleven billion, five hundred seventy-two million, five hundred eighty thousand, five hundred thirty-six".