51260252015 has 16 divisors (see below), whose sum is σ = 70424667648. Its totient is φ = 35087440416.

The previous prime is 51260251993. The next prime is 51260252119. The reversal of 51260252015 is 51025206215.

It is not a de Polignac number, because 51260252015 - 2¹² = 51260247919 is a prime.

It is a super-2 number, since 2×51260252015² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280987 + ... + 1320396.

It is an arithmetic number, because the mean of its divisors is an integer number (4401541728).

Almost surely, 2^51260252015 is an apocalyptic number.

51260252015 is a deficient number, since it is larger than the sum of its proper divisors (19164415633).

51260252015 is a wasteful number, since it uses less digits than its factorization.

51260252015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601958.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 51260252015 in words is "fifty-one billion, two hundred sixty million, two hundred fifty-two thousand, fifteen".