51015359832 has 32 divisors (see below), whose sum is σ = 127580006400. Its totient is φ = 16999572384.

The previous prime is 51015359771. The next prime is 51015359861. The reversal of 51015359832 is 23895351015.

It is a congruent number.

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, 271288 + ... + 419079.

It is an arithmetic number, because the mean of its divisors is an integer number (3986875200).

Almost surely, 2^51015359832 is an apocalyptic number.

It is an amenable number.

51015359832 is an abundant number, since it is smaller than the sum of its proper divisors (76564646568).

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

51015359832 is a wasteful number, since it uses less digits than its factorization.

51015359832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693455 (or 693451 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 51015359832 in words is "fifty-one billion, fifteen million, three hundred fifty-nine thousand, eight hundred thirty-two".