51277133117 has 16 divisors (see below), whose sum is σ = 59231088000. Its totient is φ = 43482696000.

The previous prime is 51277133111. The next prime is 51277133119. The reversal of 51277133117 is 71133177215.

It is a cyclic number.

It is not a de Polignac number, because 51277133117 - 2⁶ = 51277133053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51277133111) 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, 163859 + ... + 359727.

It is an arithmetic number, because the mean of its divisors is an integer number (3701943000).

Almost surely, 2^51277133117 is an apocalyptic number.

It is an amenable number.

51277133117 is a deficient number, since it is larger than the sum of its proper divisors (7953954883).

51277133117 is a wasteful number, since it uses less digits than its factorization.

51277133117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196276.

The product of its digits is 30870, while the sum is 38.

The spelling of 51277133117 in words is "fifty-one billion, two hundred seventy-seven million, one hundred thirty-three thousand, one hundred seventeen".