51106420324115 has 16 divisors (see below), whose sum is σ = 66840945661728. Its totient is φ = 37285425463296.

The previous prime is 51106420324051. The next prime is 51106420324153. The reversal of 51106420324115 is 51142302460115.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51106420324115 - 2⁶ = 51106420324051 is a prime.

It is a super-2 number, since 2×51106420324115² (a number of 28 digits) contains 22 as substring.

It is a Duffinian 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, 4736456174 + ... + 4736466963.

It is an arithmetic number, because the mean of its divisors is an integer number (4177559103858).

Almost surely, 2^{51106420324115} is an apocalyptic number.

51106420324115 is a deficient number, since it is larger than the sum of its proper divisors (15734525337613).

51106420324115 is a wasteful number, since it uses less digits than its factorization.

51106420324115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472923238.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 51106420324115 in words is "fifty-one trillion, one hundred six billion, four hundred twenty million, three hundred twenty-four thousand, one hundred fifteen".