51304506015 has 96 divisors (see below), whose sum is σ = 100975472640. Its totient is φ = 22142937600.

The previous prime is 51304505999. The next prime is 51304506017. The reversal of 51304506015 is 51060540315.

It is not a de Polignac number, because 51304506015 - 2⁴ = 51304505999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51304506017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 906726 + ... + 961644.

It is an arithmetic number, because the mean of its divisors is an integer number (1051827840).

Almost surely, 2^51304506015 is an apocalyptic number.

51304506015 is a deficient number, since it is larger than the sum of its proper divisors (49670966625).

51304506015 is a wasteful number, since it uses less digits than its factorization.

51304506015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55013 (or 55006 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 51304506015 in words is "fifty-one billion, three hundred four million, five hundred six thousand, fifteen".