51656150615 has 16 divisors (see below), whose sum is σ = 65889109152. Its totient is φ = 38742687744.

The previous prime is 51656150569. The next prime is 51656150621. The reversal of 51656150615 is 51605165615.

51656150615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51656150615 - 2¹⁶ = 51656085079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160489 + ... + 1204178.

It is an arithmetic number, because the mean of its divisors is an integer number (4118069322).

Almost surely, 2^51656150615 is an apocalyptic number.

51656150615 is a deficient number, since it is larger than the sum of its proper divisors (14232958537).

51656150615 is a wasteful number, since it uses less digits than its factorization.

51656150615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364946.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 51656150615 in words is "fifty-one billion, six hundred fifty-six million, one hundred fifty thousand, six hundred fifteen".