76561401211020 has 96 divisors (see below), whose sum is σ = 259844755645440. Its totient is φ = 18560339686080.

The previous prime is 76561401211019. The next prime is 76561401211033. The reversal of 76561401211020 is 2011210416567.

76561401211020 is a `hidden beast` number, since 7 + 6 + 5 + 614 + 0 + 1 + 2 + 1 + 10 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 6444556452 + ... + 6444568331.

It is an arithmetic number, because the mean of its divisors is an integer number (2706716204640).

Almost surely, 2^{76561401211020} is an apocalyptic number.

It is an amenable number.

76561401211020 is an abundant number, since it is smaller than the sum of its proper divisors (183283354434420).

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

76561401211020 is a wasteful number, since it uses less digits than its factorization.

76561401211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12889124812 (or 12889124804 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

Adding to 76561401211020 its reverse (2011210416567), we get a palindrome (78572611627587).

The spelling of 76561401211020 in words is "seventy-six trillion, five hundred sixty-one billion, four hundred one million, two hundred eleven thousand, twenty".