316155352561 has 8 divisors (see below), whose sum is σ = 328523892480. Its totient is φ = 303884588112.

The previous prime is 316155352517. The next prime is 316155352573. The reversal of 316155352561 is 165253551613.

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

It is a cyclic number.

It is not a de Polignac number, because 316155352561 - 2⁷ = 316155352433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316155352501) 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, 24437275 + ... + 24450208.

It is an arithmetic number, because the mean of its divisors is an integer number (41065486560).

Almost surely, 2^316155352561 is an apocalyptic number.

It is an amenable number.

316155352561 is a deficient number, since it is larger than the sum of its proper divisors (12368539919).

316155352561 is a wasteful number, since it uses less digits than its factorization.

316155352561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48887735.

The product of its digits is 405000, while the sum is 43.

The spelling of 316155352561 in words is "three hundred sixteen billion, one hundred fifty-five million, three hundred fifty-two thousand, five hundred sixty-one".