51000101115986 has 16 divisors (see below), whose sum is σ = 83474333621568. Its totient is φ = 23176413392400.

The previous prime is 51000101115863. The next prime is 51000101116021. The reversal of 51000101115986 is 68951110100015.

It is a happy number.

It is a Curzon 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, 272441870 + ... + 272629001.

It is an arithmetic number, because the mean of its divisors is an integer number (5217145851348).

Almost surely, 2^{51000101115986} is an apocalyptic number.

51000101115986 is a deficient number, since it is larger than the sum of its proper divisors (32474232505582).

51000101115986 is a wasteful number, since it uses less digits than its factorization.

51000101115986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545075137.

The product of its (nonzero) digits is 10800, while the sum is 38.

The spelling of 51000101115986 in words is "fifty-one trillion, one hundred one million, one hundred fifteen thousand, nine hundred eighty-six".