18036574434325 has 24 divisors (see below), whose sum is σ = 23681374330752. Its totient is φ = 13580242686720.

The previous prime is 18036574434259. The next prime is 18036574434337. The reversal of 18036574434325 is 52343447563081.

It is a de Polignac number, because none of the positive numbers 2^k-18036574434325 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26277652 + ... + 26955298.

It is an arithmetic number, because the mean of its divisors is an integer number (986723930448).

Almost surely, 2^{18036574434325} is an apocalyptic number.

It is an amenable number.

18036574434325 is a deficient number, since it is larger than the sum of its proper divisors (5644799896427).

18036574434325 is a wasteful number, since it uses less digits than its factorization.

18036574434325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740301 (or 740296 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 55.

The spelling of 18036574434325 in words is "eighteen trillion, thirty-six billion, five hundred seventy-four million, four hundred thirty-four thousand, three hundred twenty-five".