51847807115 has 16 divisors (see below), whose sum is σ = 67629528288. Its totient is φ = 37929778176.

The previous prime is 51847807103. The next prime is 51847807133. The reversal of 51847807115 is 51170874815.

It is a cyclic number.

It is not a de Polignac number, because 51847807115 - 2⁸ = 51847806859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51847807115.

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, 3720422 + ... + 3734331.

It is an arithmetic number, because the mean of its divisors is an integer number (4226845518).

Almost surely, 2^51847807115 is an apocalyptic number.

51847807115 is a deficient number, since it is larger than the sum of its proper divisors (15781721173).

51847807115 is a wasteful number, since it uses less digits than its factorization.

51847807115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454878.

The product of its (nonzero) digits is 313600, while the sum is 47.

The spelling of 51847807115 in words is "fifty-one billion, eight hundred forty-seven million, eight hundred seven thousand, one hundred fifteen".