97126521370725 has 108 divisors (see below), whose sum is σ = 205325696460192. Its totient is φ = 40364268436800.

The previous prime is 97126521370717. The next prime is 97126521370841. The reversal of 97126521370725 is 52707312562179.

It is not a de Polignac number, because 97126521370725 - 2³ = 97126521370717 is a prime.

It is a super-2 number, since 2×97126521370725² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 108766009 + ... + 109655358.

Almost surely, 2^{97126521370725} is an apocalyptic number.

It is an amenable number.

97126521370725 is an abundant number, since it is smaller than the sum of its proper divisors (108199175089467).

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

97126521370725 is a wasteful number, since it uses less digits than its factorization.

97126521370725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218421416 (or 218421393 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 57.

The spelling of 97126521370725 in words is "ninety-seven trillion, one hundred twenty-six billion, five hundred twenty-one million, three hundred seventy thousand, seven hundred twenty-five".