315516435556551 has 8 divisors (see below), whose sum is σ = 420688906247664. Its totient is φ = 210344127618240.

The previous prime is 315516435556519. The next prime is 315516435556571. The reversal of 315516435556551 is 155655534615513.

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

It is not a de Polignac number, because 315516435556551 - 2⁵ = 315516435556519 is a prime.

It is a super-2 number, since 2×315516435556551² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315516435556571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36090526 + ... + 43972251.

It is an arithmetic number, because the mean of its divisors is an integer number (52586113280958).

Almost surely, 2^{315516435556551} is an apocalyptic number.

315516435556551 is a deficient number, since it is larger than the sum of its proper divisors (105172470691113).

315516435556551 is a wasteful number, since it uses less digits than its factorization.

315516435556551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81376401.

The product of its digits is 101250000, while the sum is 60.

The spelling of 315516435556551 in words is "three hundred fifteen trillion, five hundred sixteen billion, four hundred thirty-five million, five hundred fifty-six thousand, five hundred fifty-one".