641021113024 has 28 divisors (see below), whose sum is σ = 1286318712600. Its totient is φ = 316909311488.

The previous prime is 641021112967. The next prime is 641021113043. The reversal of 641021113024 is 420311120146.

It is a self number, because there is not a number n which added to its sum of digits gives 641021113024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56263714 + ... + 56275105.

Almost surely, 2^641021113024 is an apocalyptic number.

641021113024 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

641021113024 is an abundant number, since it is smaller than the sum of its proper divisors (645297599576).

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

641021113024 is a wasteful number, since it uses less digits than its factorization.

641021113024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112538920 (or 112538910 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 641021113024 in words is "six hundred forty-one billion, twenty-one million, one hundred thirteen thousand, twenty-four".