51411685160 has 64 divisors (see below), whose sum is σ = 127235361600. Its totient is φ = 18695138880.

The previous prime is 51411685159. The next prime is 51411685163. The reversal of 51411685160 is 6158611415.

It is a super-2 number, since 2×51411685160² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51411685163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429590 + ... + 536069.

It is an arithmetic number, because the mean of its divisors is an integer number (1988052525).

Almost surely, 2^51411685160 is an apocalyptic number.

It is an amenable number.

51411685160 is an abundant number, since it is smaller than the sum of its proper divisors (75823676440).

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

51411685160 is a wasteful number, since it uses less digits than its factorization.

51411685160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965703 (or 965677 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 51411685160 in words is "fifty-one billion, four hundred eleven million, six hundred eighty-five thousand, one hundred sixty".