18532231756104 has 64 divisors (see below), whose sum is σ = 50548054536000. Its totient is φ = 5615205105920.

The previous prime is 18532231756043. The next prime is 18532231756151. The reversal of 18532231756104 is 40165713223581.

It is a super-2 number, since 2×18532231756104² (a number of 27 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1503699 + ... + 6271010.

It is an arithmetic number, because the mean of its divisors is an integer number (789813352125).

Almost surely, 2^{18532231756104} is an apocalyptic number.

It is an amenable number.

18532231756104 is an abundant number, since it is smaller than the sum of its proper divisors (32015822779896).

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

18532231756104 is a wasteful number, since it uses less digits than its factorization.

18532231756104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7783758 (or 7783754 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

Adding to 18532231756104 its reverse (40165713223581), we get a palindrome (58697944979685).

The spelling of 18532231756104 in words is "eighteen trillion, five hundred thirty-two billion, two hundred thirty-one million, seven hundred fifty-six thousand, one hundred four".