51001010015 has 16 divisors (see below), whose sum is σ = 64698847200. Its totient is φ = 38487485952.

The previous prime is 51001010009. The next prime is 51001010017.

51001010015 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 51001010015 - 2¹⁶ = 51000944479 is a prime.

It is a super-2 number, since 2×51001010015² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51001010017) 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, 1129910 + ... + 1174179.

It is an arithmetic number, because the mean of its divisors is an integer number (4043677950).

Almost surely, 2^51001010015 is an apocalyptic number.

51001010015 is a deficient number, since it is larger than the sum of its proper divisors (13697837185).

51001010015 is a wasteful number, since it uses less digits than its factorization.

51001010015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304346.

The product of its (nonzero) digits is 25, while the sum is 14.

It can be divided in two parts, 510010 and 10015, that added together give a palindrome (520025).

The spelling of 51001010015 in words is "fifty-one billion, one million, ten thousand, fifteen".