15420052532104 has 64 divisors (see below), whose sum is σ = 33201856584000. Its totient is φ = 6640056702720.

The previous prime is 15420052532081. The next prime is 15420052532119. The reversal of 15420052532104 is 40123525002451.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15420052532104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95512602 + ... + 95673910.

It is an arithmetic number, because the mean of its divisors is an integer number (518779009125).

Almost surely, 2^{15420052532104} is an apocalyptic number.

It is an amenable number.

15420052532104 is an abundant number, since it is smaller than the sum of its proper divisors (17781804051896).

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

15420052532104 is a wasteful number, since it uses less digits than its factorization.

15420052532104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218518 (or 218514 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 15420052532104 its reverse (40123525002451), we get a palindrome (55543577534555).

The spelling of 15420052532104 in words is "fifteen trillion, four hundred twenty billion, fifty-two million, five hundred thirty-two thousand, one hundred four".