51631105652010 has 96 divisors (see below), whose sum is σ = 134298362016000. Its totient is φ = 13762400110848.

The previous prime is 51631105651987. The next prime is 51631105652039. The reversal of 51631105652010 is 1025650113615.

51631105652010 is a `hidden beast` number, since 5 + 1 + 6 + 3 + 110 + 5 + 6 + 520 + 10 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3125550531 + ... + 3125567049.

It is an arithmetic number, because the mean of its divisors is an integer number (1398941271000).

Almost surely, 2^{51631105652010} is an apocalyptic number.

51631105652010 is an abundant number, since it is smaller than the sum of its proper divisors (82667256363990).

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

51631105652010 is a wasteful number, since it uses less digits than its factorization.

51631105652010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29300 (or 29297 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

Adding to 51631105652010 its reverse (1025650113615), we get a palindrome (52656755765625).

The spelling of 51631105652010 in words is "fifty-one trillion, six hundred thirty-one billion, one hundred five million, six hundred fifty-two thousand, ten".