9951084757156 has 9 divisors (see below), whose sum is σ = 17414409365899. Its totient is φ = 4975539224044.

The previous prime is 9951084757139. The next prime is 9951084757177. The reversal of 9951084757156 is 6517574801599.

The square root of 9951084757156 is 3154534.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9951084757091 and 9951084757100.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5520435 + ... + 7097701.

Almost surely, 2^{9951084757156} is an apocalyptic number.

9951084757156 is the 3154534-th square number.

It is an amenable number.

9951084757156 is a deficient number, since it is larger than the sum of its proper divisors (7463324608743).

9951084757156 is an frugal number, since it uses more digits than its factorization.

9951084757156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154538 (or 1577269 counting only the distinct ones).

The product of its (nonzero) digits is 95256000, while the sum is 67.

The spelling of 9951084757156 in words is "nine trillion, nine hundred fifty-one billion, eighty-four million, seven hundred fifty-seven thousand, one hundred fifty-six".