315223121125 has 32 divisors (see below), whose sum is σ = 429292431360. Its totient is φ = 229183480000.

The previous prime is 315223121119. The next prime is 315223121141. The reversal of 315223121125 is 521121322513.

It is not a de Polignac number, because 315223121125 - 2¹⁵ = 315223088357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315223121093 and 315223121102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4725756 + ... + 4791994.

It is an arithmetic number, because the mean of its divisors is an integer number (13415388480).

Almost surely, 2^315223121125 is an apocalyptic number.

It is an amenable number.

315223121125 is a deficient number, since it is larger than the sum of its proper divisors (114069310235).

315223121125 is a wasteful number, since it uses less digits than its factorization.

315223121125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69726 (or 69716 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 315223121125 its reverse (521121322513), we get a palindrome (836344443638).

The spelling of 315223121125 in words is "three hundred fifteen billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred twenty-five".