9951560795072 has 28 divisors (see below), whose sum is σ = 21266676797016. Its totient is φ = 4593028058880.

The previous prime is 9951560795069. The next prime is 9951560795089. The reversal of 9951560795072 is 2705970651599.

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, 5980504454 + ... + 5980506117.

It is an arithmetic number, because the mean of its divisors is an integer number (759524171322).

Almost surely, 2^{9951560795072} is an apocalyptic number.

It is an amenable number.

9951560795072 is an abundant number, since it is smaller than the sum of its proper divisors (11315116001944).

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

9951560795072 is a wasteful number, since it uses less digits than its factorization.

9951560795072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961010596 (or 11961010586 counting only the distinct ones).

The product of its (nonzero) digits is 53581500, while the sum is 65.

The spelling of 9951560795072 in words is "nine trillion, nine hundred fifty-one billion, five hundred sixty million, seven hundred ninety-five thousand, seventy-two".