51504113015 has 8 divisors (see below), whose sum is σ = 61823096640. Its totient is φ = 41191183072.

The previous prime is 51504113009. The next prime is 51504113021. The reversal of 51504113015 is 51031140515.

It is an interprime number because it is at equal distance from previous prime (51504113009) and next prime (51504113021).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51504113015 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494680 + ... + 1528749.

It is an arithmetic number, because the mean of its divisors is an integer number (7727887080).

Almost surely, 2^51504113015 is an apocalyptic number.

51504113015 is a deficient number, since it is larger than the sum of its proper divisors (10318983625).

51504113015 is a wasteful number, since it uses less digits than its factorization.

51504113015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026841.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 51504113015 in words is "fifty-one billion, five hundred four million, one hundred thirteen thousand, fifteen".