42165125225104 has 30 divisors (see below), whose sum is σ = 95032877900694. Its totient is φ = 18070767953280.

The previous prime is 42165125225057. The next prime is 42165125225143. The reversal of 42165125225104 is 40152252156124.

It can be written as a sum of positive squares in only one way, i.e., 35741840488704 + 6423284736400 = 5978448^2 + 2534420^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26891022957 + ... + 26891024524.

Almost surely, 2^{42165125225104} is an apocalyptic number.

It is an amenable number.

42165125225104 is an abundant number, since it is smaller than the sum of its proper divisors (52867752675590).

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

42165125225104 is a wasteful number, since it uses less digits than its factorization.

42165125225104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53782047503 (or 53782047490 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 42165125225104 in words is "forty-two trillion, one hundred sixty-five billion, one hundred twenty-five million, two hundred twenty-five thousand, one hundred four".