51656106115 has 8 divisors (see below), whose sum is σ = 61999984080. Its totient is φ = 41316447072.

The previous prime is 51656106097. The next prime is 51656106121. The reversal of 51656106115 is 51160165615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51656106115 - 2¹¹ = 51656104067 is a prime.

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, 1027729 + ... + 1076818.

It is an arithmetic number, because the mean of its divisors is an integer number (7749998010).

Almost surely, 2^51656106115 is an apocalyptic number.

51656106115 is a deficient number, since it is larger than the sum of its proper divisors (10343877965).

51656106115 is a wasteful number, since it uses less digits than its factorization.

51656106115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109461.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 51656106115 in words is "fifty-one billion, six hundred fifty-six million, one hundred six thousand, one hundred fifteen".