42012642613325 has 12 divisors (see below), whose sum is σ = 53366303106228. Its totient is φ = 32790355209600.

The previous prime is 42012642613289. The next prime is 42012642613477. The reversal of 42012642613325 is 52331624621024.

It can be written as a sum of positive squares in 6 ways, for example, as 19009626160009 + 23003016453316 = 4360003^2 + 4796146^2 .

It is not a de Polignac number, because 42012642613325 - 2¹² = 42012642609229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

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 11 ways as a sum of consecutive naturals, for example, 20493970982 + ... + 20493973031.

It is an arithmetic number, because the mean of its divisors is an integer number (4447191925519).

Almost surely, 2^{42012642613325} is an apocalyptic number.

It is an amenable number.

42012642613325 is a deficient number, since it is larger than the sum of its proper divisors (11353660492903).

42012642613325 is a wasteful number, since it uses less digits than its factorization.

42012642613325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40987944064 (or 40987944059 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 42012642613325 in words is "forty-two trillion, twelve billion, six hundred forty-two million, six hundred thirteen thousand, three hundred twenty-five".