15075082052478 has 64 divisors (see below), whose sum is σ = 39176293009920. Its totient is φ = 4206999638016.

The previous prime is 15075082052441. The next prime is 15075082052509. The reversal of 15075082052478 is 87425028057051.

It is a happy number.

15075082052478 is a `hidden beast` number, since 1 + 50 + 7 + 50 + 8 + 20 + 52 + 478 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463718275 + ... + 463750782.

It is an arithmetic number, because the mean of its divisors is an integer number (612129578280).

Almost surely, 2^{15075082052478} is an apocalyptic number.

15075082052478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

15075082052478 is an abundant number, since it is smaller than the sum of its proper divisors (24101210957442).

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

15075082052478 is a wasteful number, since it uses less digits than its factorization.

15075082052478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927469118 (or 927469112 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 54.

The spelling of 15075082052478 in words is "fifteen trillion, seventy-five billion, eighty-two million, fifty-two thousand, four hundred seventy-eight".