18612350909975 has 12 divisors (see below), whose sum is σ = 24436921901184. Its totient is φ = 14014005390720.

The previous prime is 18612350909927. The next prime is 18612350910047. The reversal of 18612350909975 is 57990905321681.

It is not a de Polignac number, because 18612350909975 - 2²⁴ = 18612334132759 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 11 ways as a sum of consecutive naturals, for example, 21896882999 + ... + 21896883848.

It is an arithmetic number, because the mean of its divisors is an integer number (2036410158432).

Almost surely, 2^{18612350909975} is an apocalyptic number.

18612350909975 is a deficient number, since it is larger than the sum of its proper divisors (5824570991209).

18612350909975 is a wasteful number, since it uses less digits than its factorization.

18612350909975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43793766874 (or 43793766869 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 65.

The spelling of 18612350909975 in words is "eighteen trillion, six hundred twelve billion, three hundred fifty million, nine hundred nine thousand, nine hundred seventy-five".