315223215455 has 8 divisors (see below), whose sum is σ = 378358443312. Its totient is φ = 252118182528.

The previous prime is 315223215449. The next prime is 315223215473. The reversal of 315223215455 is 554512322513.

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 315223215455 - 2¹⁰ = 315223214431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7525757 + ... + 7567526.

It is an arithmetic number, because the mean of its divisors is an integer number (47294805414).

Almost surely, 2^315223215455 is an apocalyptic number.

315223215455 is a deficient number, since it is larger than the sum of its proper divisors (63135227857).

315223215455 is a wasteful number, since it uses less digits than its factorization.

315223215455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15097465.

The product of its digits is 180000, while the sum is 38.

Adding to 315223215455 its reverse (554512322513), we get a palindrome (869735537968).

The spelling of 315223215455 in words is "three hundred fifteen billion, two hundred twenty-three million, two hundred fifteen thousand, four hundred fifty-five".