51315000104 has 16 divisors (see below), whose sum is σ = 99319355520. Its totient is φ = 24829838640.

The previous prime is 51315000091. The next prime is 51315000109. The reversal of 51315000104 is 40100051315.

51315000104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51315000109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103457414 + ... + 103457909.

It is an arithmetic number, because the mean of its divisors is an integer number (6207459720).

Almost surely, 2^51315000104 is an apocalyptic number.

It is an amenable number.

51315000104 is a deficient number, since it is larger than the sum of its proper divisors (48004355416).

51315000104 is a wasteful number, since it uses less digits than its factorization.

51315000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206915360 (or 206915356 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 51315000104 its reverse (40100051315), we get a palindrome (91415051419).

The spelling of 51315000104 in words is "fifty-one billion, three hundred fifteen million, one hundred four", and thus it is an aban number.