51164673115040 has 48 divisors (see below), whose sum is σ = 120952899986688. Its totient is φ = 20452940610816.

The previous prime is 51164673115009. The next prime is 51164673115043. The reversal of 51164673115040 is 4051137646115.

It is a junction number, because it is equal to n+sod(n) for n = 51164673114982 and 51164673115000.

It is not an unprimeable number, because it can be changed into a prime (51164673115043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100750892 + ... + 101257451.

It is an arithmetic number, because the mean of its divisors is an integer number (2519852083056).

Almost surely, 2^{51164673115040} is an apocalyptic number.

It is an amenable number.

51164673115040 is an abundant number, since it is smaller than the sum of its proper divisors (69788226871648).

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

51164673115040 is a wasteful number, since it uses less digits than its factorization.

51164673115040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202009941 (or 202009933 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 51164673115040 in words is "fifty-one trillion, one hundred sixty-four billion, six hundred seventy-three million, one hundred fifteen thousand, forty".