51006100115 has 16 divisors (see below), whose sum is σ = 64441236000. Its totient is φ = 38649768192.

The previous prime is 51006100111. The next prime is 51006100151. The reversal of 51006100115 is 51100160015.

It is a cyclic number.

It is not a de Polignac number, because 51006100115 - 2² = 51006100111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51006100111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468389 + ... + 566921.

It is an arithmetic number, because the mean of its divisors is an integer number (4027577250).

Almost surely, 2^51006100115 is an apocalyptic number.

51006100115 is a deficient number, since it is larger than the sum of its proper divisors (13435135885).

51006100115 is a wasteful number, since it uses less digits than its factorization.

51006100115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104006.

The product of its (nonzero) digits is 150, while the sum is 20.

The spelling of 51006100115 in words is "fifty-one billion, six million, one hundred thousand, one hundred fifteen".