11951196572 has 24 divisors (see below), whose sum is σ = 24458265216. Its totient is φ = 5002825968.

The previous prime is 11951196563. The next prime is 11951196599. The reversal of 11951196572 is 27569115911.

It is a congruent number.

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, 4961918 + ... + 4964325.

It is an arithmetic number, because the mean of its divisors is an integer number (1019094384).

Almost surely, 2^11951196572 is an apocalyptic number.

It is an amenable number.

11951196572 is an abundant number, since it is smaller than the sum of its proper divisors (12507068644).

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

11951196572 is a wasteful number, since it uses less digits than its factorization.

11951196572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9926297 (or 9926295 counting only the distinct ones).

The product of its digits is 170100, while the sum is 47.

The spelling of 11951196572 in words is "eleven billion, nine hundred fifty-one million, one hundred ninety-six thousand, five hundred seventy-two".