102811460820 has 24 divisors (see below), whose sum is σ = 287872090464. Its totient is φ = 27416389536.

The previous prime is 102811460819. The next prime is 102811460831. The reversal of 102811460820 is 28064118201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856762114 + ... + 856762233.

It is an arithmetic number, because the mean of its divisors is an integer number (11994670436).

Almost surely, 2^102811460820 is an apocalyptic number.

102811460820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102811460820 is an abundant number, since it is smaller than the sum of its proper divisors (185060629644).

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

102811460820 is a wasteful number, since it uses less digits than its factorization.

102811460820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713524359 (or 1713524357 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The spelling of 102811460820 in words is "one hundred two billion, eight hundred eleven million, four hundred sixty thousand, eight hundred twenty".