11612200572 has 72 divisors (see below), whose sum is σ = 34179346656. Its totient is φ = 3255168384.

The previous prime is 11612200553. The next prime is 11612200597. The reversal of 11612200572 is 27500221611.

11612200572 is a `hidden beast` number, since 11 + 61 + 2 + 20 + 0 + 572 = 666.

It is a congruent number.

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, 421363 + ... + 448074.

It is an arithmetic number, because the mean of its divisors is an integer number (474713148).

Almost surely, 2^11612200572 is an apocalyptic number.

11612200572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11612200572 is an abundant number, since it is smaller than the sum of its proper divisors (22567146084).

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

11612200572 is a wasteful number, since it uses less digits than its factorization.

11612200572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869507 (or 869502 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The spelling of 11612200572 in words is "eleven billion, six hundred twelve million, two hundred thousand, five hundred seventy-two".