315011555515493 has 8 divisors (see below), whose sum is σ = 331591434902400. Its totient is φ = 298431708511968.

The previous prime is 315011555515457. The next prime is 315011555515663. The reversal of 315011555515493 is 394515555110513.

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 315011555515493 - 2³⁴ = 314994375646309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315011555515193) 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, 13324505 + ... + 28417697.

It is an arithmetic number, because the mean of its divisors is an integer number (41448929362800).

Almost surely, 2^{315011555515493} is an apocalyptic number.

It is an amenable number.

315011555515493 is a deficient number, since it is larger than the sum of its proper divisors (16579879386907).

315011555515493 is a wasteful number, since it uses less digits than its factorization.

315011555515493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16191691.

The product of its (nonzero) digits is 5062500, while the sum is 53.

The spelling of 315011555515493 in words is "three hundred fifteen trillion, eleven billion, five hundred fifty-five million, five hundred fifteen thousand, four hundred ninety-three".