51512089886 has 16 divisors (see below), whose sum is σ = 80660479104. Its totient is φ = 24626176344.

The previous prime is 51512089873. The next prime is 51512089901. The reversal of 51512089886 is 68898021515.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113480 + ... + 340443.

It is an arithmetic number, because the mean of its divisors is an integer number (5041279944).

Almost surely, 2^51512089886 is an apocalyptic number.

51512089886 is a deficient number, since it is larger than the sum of its proper divisors (29148389218).

51512089886 is a wasteful number, since it uses less digits than its factorization.

51512089886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456415.

The product of its (nonzero) digits is 1382400, while the sum is 53.

The spelling of 51512089886 in words is "fifty-one billion, five hundred twelve million, eighty-nine thousand, eight hundred eighty-six".