51260660708319 has 16 divisors (see below), whose sum is σ = 77994198476640. Its totient is φ = 33250158296640.

The previous prime is 51260660708303. The next prime is 51260660708351. The reversal of 51260660708319 is 91380706606215.

51260660708319 is a `hidden beast` number, since 5 + 1 + 26 + 0 + 6 + 607 + 0 + 8 + 3 + 1 + 9 = 666.

It is not a de Polignac number, because 51260660708319 - 2⁴ = 51260660708303 is a prime.

It is a super-2 number, since 2×51260660708319² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51260660708219) 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, 25655985342 + ... + 25655987339.

It is an arithmetic number, because the mean of its divisors is an integer number (4874637404790).

Almost surely, 2^{51260660708319} is an apocalyptic number.

51260660708319 is a deficient number, since it is larger than the sum of its proper divisors (26733537768321).

51260660708319 is a wasteful number, since it uses less digits than its factorization.

51260660708319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51311972727 (or 51311972721 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 51260660708319 in words is "fifty-one trillion, two hundred sixty billion, six hundred sixty million, seven hundred eight thousand, three hundred nineteen".