51651166511108 has 12 divisors (see below), whose sum is σ = 90392965555200. Its totient is φ = 25824604923912.

The previous prime is 51651166511039. The next prime is 51651166511111. The reversal of 51651166511108 is 80111566115615.

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, 244464116 + ... + 244675307.

It is an arithmetic number, because the mean of its divisors is an integer number (7532747129600).

Almost surely, 2^{51651166511108} is an apocalyptic number.

It is an amenable number.

51651166511108 is a deficient number, since it is larger than the sum of its proper divisors (38741799044092).

51651166511108 is a wasteful number, since it uses less digits than its factorization.

51651166511108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489165826 (or 489165824 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 47.

The spelling of 51651166511108 in words is "fifty-one trillion, six hundred fifty-one billion, one hundred sixty-six million, five hundred eleven thousand, one hundred eight".