51134766177 has 128 divisors (see below), whose sum is σ = 82032445440. Its totient is φ = 28002723840.

The previous prime is 51134766161. The next prime is 51134766239. The reversal of 51134766177 is 77166743115.

It is not a de Polignac number, because 51134766177 - 2⁴ = 51134766161 is a prime.

It is a super-2 number, since 2×51134766177² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51134766127) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 259567243 + ... + 259567439.

It is an arithmetic number, because the mean of its divisors is an integer number (640878480).

Almost surely, 2^51134766177 is an apocalyptic number.

51134766177 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

51134766177 is a deficient number, since it is larger than the sum of its proper divisors (30897679263).

51134766177 is a wasteful number, since it uses less digits than its factorization.

51134766177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463.

The product of its digits is 740880, while the sum is 48.

The spelling of 51134766177 in words is "fifty-one billion, one hundred thirty-four million, seven hundred sixty-six thousand, one hundred seventy-seven".