51020176136 has 32 divisors (see below), whose sum is σ = 95848056000. Its totient is φ = 25460748096.

The previous prime is 51020176117. The next prime is 51020176139. The reversal of 51020176136 is 63167102015.

It is not an unprimeable number, because it can be changed into a prime (51020176139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12692735 + ... + 12696753.

It is an arithmetic number, because the mean of its divisors is an integer number (2995251750).

Almost surely, 2^51020176136 is an apocalyptic number.

It is an amenable number.

51020176136 is a deficient number, since it is larger than the sum of its proper divisors (44827879864).

51020176136 is a wasteful number, since it uses less digits than its factorization.

51020176136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6701 (or 6697 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 51020176136 in words is "fifty-one billion, twenty million, one hundred seventy-six thousand, one hundred thirty-six".