51024642015 has 16 divisors (see below), whose sum is σ = 81658770048. Its totient is φ = 27206694816.

The previous prime is 51024642013. The next prime is 51024642017.

51024642015 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (51024642013) and next prime (51024642017).

It is not a de Polignac number, because 51024642015 - 2¹ = 51024642013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51024642013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337209 + ... + 464498.

It is an arithmetic number, because the mean of its divisors is an integer number (5103673128).

Almost surely, 2^51024642015 is an apocalyptic number.

51024642015 is a deficient number, since it is larger than the sum of its proper divisors (30634128033).

51024642015 is a wasteful number, since it uses less digits than its factorization.

51024642015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805958.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 51024642015 in words is "fifty-one billion, twenty-four million, six hundred forty-two thousand, fifteen".