51516115005 has 16 divisors (see below), whose sum is σ = 82453598784. Its totient is φ = 27465989760.

The previous prime is 51516114983. The next prime is 51516115009. The reversal of 51516115005 is 50051161515.

It is not a de Polignac number, because 51516115005 - 2⁵ = 51516114973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51516115009) 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, 533424 + ... + 622553.

It is an arithmetic number, because the mean of its divisors is an integer number (5153349924).

Almost surely, 2^51516115005 is an apocalyptic number.

It is an amenable number.

51516115005 is a deficient number, since it is larger than the sum of its proper divisors (30937483779).

51516115005 is a wasteful number, since it uses less digits than its factorization.

51516115005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158956.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 51516115005 in words is "fifty-one billion, five hundred sixteen million, one hundred fifteen thousand, five".