51018327532 has 12 divisors (see below), whose sum is σ = 91459685016. Its totient is φ = 24886988960.

The previous prime is 51018327499. The next prime is 51018327587. The reversal of 51018327532 is 23572381015.

It is a super-2 number, since 2×51018327532² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51018327491 and 51018327500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155543518 + ... + 155543845.

It is an arithmetic number, because the mean of its divisors is an integer number (7621640418).

Almost surely, 2^51018327532 is an apocalyptic number.

It is an amenable number.

51018327532 is a deficient number, since it is larger than the sum of its proper divisors (40441357484).

51018327532 is a wasteful number, since it uses less digits than its factorization.

51018327532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311087408 (or 311087406 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 51018327532 in words is "fifty-one billion, eighteen million, three hundred twenty-seven thousand, five hundred thirty-two".