42515180125 has 24 divisors (see below), whose sum is σ = 58321009656. Its totient is φ = 30920120000.

The previous prime is 42515180111. The next prime is 42515180173. The reversal of 42515180125 is 52108151524.

42515180125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 139310809 + 42375869316 = 11803^2 + 205854^2 .

It is not a de Polignac number, because 42515180125 - 2³⁵ = 8155441757 is a prime.

It is a super-2 number, since 2×42515180125² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1390336 + ... + 1420585.

It is an arithmetic number, because the mean of its divisors is an integer number (2430042069).

Almost surely, 2^42515180125 is an apocalyptic number.

It is an amenable number.

42515180125 is a deficient number, since it is larger than the sum of its proper divisors (15805829531).

42515180125 is a wasteful number, since it uses less digits than its factorization.

42515180125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810958 (or 2810937 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 34.

The spelling of 42515180125 in words is "forty-two billion, five hundred fifteen million, one hundred eighty thousand, one hundred twenty-five".