18732230112961 has 4 divisors (see below), whose sum is σ = 18732269442352. Its totient is φ = 18732190783572.

The previous prime is 18732230112907. The next prime is 18732230112979. The reversal of 18732230112961 is 16921103223781.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18732230112961 - 2²⁹ = 18731693242049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18732230112161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18941391 + ... + 19905796.

It is an arithmetic number, because the mean of its divisors is an integer number (4683067360588).

Almost surely, 2^{18732230112961} is an apocalyptic number.

It is an amenable number.

18732230112961 is a deficient number, since it is larger than the sum of its proper divisors (39329391).

18732230112961 is an equidigital number, since it uses as much as digits as its factorization.

18732230112961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39329390.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 18732230112961 in words is "eighteen trillion, seven hundred thirty-two billion, two hundred thirty million, one hundred twelve thousand, nine hundred sixty-one".