51416505157788 has 48 divisors (see below), whose sum is σ = 133343054718720. Its totient is φ = 17133563070000.

The previous prime is 51416505157777. The next prime is 51416505157877. The reversal of 51416505157788 is 88775150561415.

51416505157788 is a `hidden beast` number, since 5 + 1 + 4 + 1 + 6 + 5 + 0 + 51 + 577 + 8 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72869248 + ... + 73571463.

It is an arithmetic number, because the mean of its divisors is an integer number (2777980306640).

Almost surely, 2^{51416505157788} is an apocalyptic number.

It is an amenable number.

51416505157788 is an abundant number, since it is smaller than the sum of its proper divisors (81926549560932).

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

51416505157788 is a wasteful number, since it uses less digits than its factorization.

51416505157788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146443975 (or 146443967 counting only the distinct ones).

The product of its (nonzero) digits is 47040000, while the sum is 63.

The spelling of 51416505157788 in words is "fifty-one trillion, four hundred sixteen billion, five hundred five million, one hundred fifty-seven thousand, seven hundred eighty-eight".