51132485012 has 48 divisors (see below), whose sum is σ = 108302261760. Its totient is φ = 20620733952.

The previous prime is 51132484957. The next prime is 51132485081. The reversal of 51132485012 is 21058423115.

It is a super-2 number, since 2×51132485012² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51132485012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3731189 + ... + 3744867.

It is an arithmetic number, because the mean of its divisors is an integer number (2256297120).

Almost surely, 2^51132485012 is an apocalyptic number.

It is an amenable number.

51132485012 is an abundant number, since it is smaller than the sum of its proper divisors (57169776748).

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

51132485012 is a wasteful number, since it uses less digits than its factorization.

51132485012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21560 (or 21558 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 51132485012 in words is "fifty-one billion, one hundred thirty-two million, four hundred eighty-five thousand, twelve".