18475863372504 has 48 divisors (see below), whose sum is σ = 50061952444920. Its totient is φ = 6155771178240.

The previous prime is 18475863372493. The next prime is 18475863372559. The reversal of 18475863372504 is 40527336857481.

It is a happy number.

18475863372504 is a `hidden beast` number, since 1 + 8 + 4 + 7 + 58 + 6 + 3 + 3 + 72 + 504 = 666.

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, 59217202 + ... + 59528385.

Almost surely, 2^{18475863372504} is an apocalyptic number.

It is an amenable number.

18475863372504 is an abundant number, since it is smaller than the sum of its proper divisors (31586089072416).

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

18475863372504 is a wasteful number, since it uses less digits than its factorization.

18475863372504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118747760 (or 118747753 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 63.

The spelling of 18475863372504 in words is "eighteen trillion, four hundred seventy-five billion, eight hundred sixty-three million, three hundred seventy-two thousand, five hundred four".