51134531016 has 32 divisors (see below), whose sum is σ = 130248336960. Its totient is φ = 16723242432.

The previous prime is 51134530999. The next prime is 51134531057. The reversal of 51134531016 is 61013543115.

It is a super-2 number, since 2×51134531016² (a number of 22 digits) contains 22 as substring.

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, 20098780 + ... + 20101323.

It is an arithmetic number, because the mean of its divisors is an integer number (4070260530).

Almost surely, 2^51134531016 is an apocalyptic number.

It is an amenable number.

51134531016 is an abundant number, since it is smaller than the sum of its proper divisors (79113805944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51134531016 is a wasteful number, since it uses less digits than its factorization.

51134531016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40200165 (or 40200161 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

It can be divided in two parts, 511345 and 31016, that added together give a triangular number (542361 = T₁₀₄₁).

The spelling of 51134531016 in words is "fifty-one billion, one hundred thirty-four million, five hundred thirty-one thousand, sixteen".