51012608572 has 24 divisors (see below), whose sum is σ = 92378034000. Its totient is φ = 24619410816.

The previous prime is 51012608551. The next prime is 51012608593. The reversal of 51012608572 is 27580621015.

It is an interprime number because it is at equal distance from previous prime (51012608551) and next prime (51012608593).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334179 + ... + 462277.

It is an arithmetic number, because the mean of its divisors is an integer number (3849084750).

Almost surely, 2^51012608572 is an apocalyptic number.

It is an amenable number.

51012608572 is a deficient number, since it is larger than the sum of its proper divisors (41365425428).

51012608572 is a wasteful number, since it uses less digits than its factorization.

51012608572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131565 (or 131563 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 51012608572 in words is "fifty-one billion, twelve million, six hundred eight thousand, five hundred seventy-two".