51106116615 has 16 divisors (see below), whose sum is σ = 83979781728. Its totient is φ = 26519930496.

The previous prime is 51106116613. The next prime is 51106116629. The reversal of 51106116615 is 51661160115.

51106116615 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 51106116615 - 2¹ = 51106116613 is a prime.

It is a super-2 number, since 2×51106116615² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51106116613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46040992 + ... + 46042101.

It is an arithmetic number, because the mean of its divisors is an integer number (5248736358).

Almost surely, 2^51106116615 is an apocalyptic number.

51106116615 is a deficient number, since it is larger than the sum of its proper divisors (32873665113).

51106116615 is a wasteful number, since it uses less digits than its factorization.

51106116615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92083138.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 51106116615 in words is "fifty-one billion, one hundred six million, one hundred sixteen thousand, six hundred fifteen".