82572055725725 has 24 divisors (see below), whose sum is σ = 109386893031840. Its totient is φ = 61646882742720.

The previous prime is 82572055725647. The next prime is 82572055725727. The reversal of 82572055725725 is 52752755027528.

It is not a de Polignac number, because 82572055725725 - 2³⁰ = 82570981983901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82572055725727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1297251062 + ... + 1297314711.

It is an arithmetic number, because the mean of its divisors is an integer number (4557787209660).

Almost surely, 2^{82572055725725} is an apocalyptic number.

It is an amenable number.

82572055725725 is a deficient number, since it is larger than the sum of its proper divisors (26814837306115).

82572055725725 is a wasteful number, since it uses less digits than its factorization.

82572055725725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594565869 (or 2594565864 counting only the distinct ones).

The product of its (nonzero) digits is 137200000, while the sum is 62.

The spelling of 82572055725725 in words is "eighty-two trillion, five hundred seventy-two billion, fifty-five million, seven hundred twenty-five thousand, seven hundred twenty-five".