7958957215225 has 24 divisors (see below), whose sum is σ = 10210184809920. Its totient is φ = 6147148392000.

The previous prime is 7958957215211. The next prime is 7958957215271. The reversal of 7958957215225 is 5225127598597.

It is not a de Polignac number, because 7958957215225 - 2²⁷ = 7958822997497 is a prime.

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, 9449610 + ... + 10257340.

It is an arithmetic number, because the mean of its divisors is an integer number (425424367080).

Almost surely, 2^{7958957215225} is an apocalyptic number.

It is an amenable number.

7958957215225 is a deficient number, since it is larger than the sum of its proper divisors (2251227594695).

7958957215225 is a wasteful number, since it uses less digits than its factorization.

7958957215225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821361 (or 821356 counting only the distinct ones).

The product of its digits is 158760000, while the sum is 67.

The spelling of 7958957215225 in words is "seven trillion, nine hundred fifty-eight billion, nine hundred fifty-seven million, two hundred fifteen thousand, two hundred twenty-five".