9956157425365 has 16 divisors (see below), whose sum is σ = 12004274408256. Its totient is φ = 7927003929600.

The previous prime is 9956157425309. The next prime is 9956157425371. The reversal of 9956157425365 is 5635247516599.

It is not a de Polignac number, because 9956157425365 - 2⁷ = 9956157425237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9956157425365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71851189 + ... + 71989621.

It is an arithmetic number, because the mean of its divisors is an integer number (750267150516).

Almost surely, 2^{9956157425365} is an apocalyptic number.

It is an amenable number.

9956157425365 is a deficient number, since it is larger than the sum of its proper divisors (2048116982891).

9956157425365 is a wasteful number, since it uses less digits than its factorization.

9956157425365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206820.

The product of its digits is 306180000, while the sum is 67.

The spelling of 9956157425365 in words is "nine trillion, nine hundred fifty-six billion, one hundred fifty-seven million, four hundred twenty-five thousand, three hundred sixty-five".