42504500505125 has 16 divisors (see below), whose sum is σ = 53226659736432. Its totient is φ = 33887547131200.

The previous prime is 42504500505113. The next prime is 42504500505157. The reversal of 42504500505125 is 52150500540524.

It can be written as a sum of positive squares in 8 ways, for example, as 6755975799076 + 35748524706049 = 2599226^2 + 5979007^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42504500505125 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 580229594 + ... + 580302843.

It is an arithmetic number, because the mean of its divisors is an integer number (3326666233527).

Almost surely, 2^{42504500505125} is an apocalyptic number.

It is an amenable number.

42504500505125 is a deficient number, since it is larger than the sum of its proper divisors (10722159231307).

42504500505125 is a wasteful number, since it uses less digits than its factorization.

42504500505125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160532745 (or 1160532735 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 42504500505125 in words is "forty-two trillion, five hundred four billion, five hundred million, five hundred five thousand, one hundred twenty-five".