51710856315 has 8 divisors (see below), whose sum is σ = 82737370128. Its totient is φ = 27579123360.

The previous prime is 51710856313. The next prime is 51710856341. The reversal of 51710856315 is 51365801715.

It is a happy number.

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

It is not a de Polignac number, because 51710856315 - 2¹ = 51710856313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51710856313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723695196 + ... + 1723695225.

It is an arithmetic number, because the mean of its divisors is an integer number (10342171266).

Almost surely, 2^51710856315 is an apocalyptic number.

51710856315 is a deficient number, since it is larger than the sum of its proper divisors (31026513813).

51710856315 is a wasteful number, since it uses less digits than its factorization.

51710856315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447390429.

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 51710856315 in words is "fifty-one billion, seven hundred ten million, eight hundred fifty-six thousand, three hundred fifteen".