315664425260225 has 12 divisors (see below), whose sum is σ = 393610612955760. Its totient is φ = 251120749477200.

The previous prime is 315664425260189. The next prime is 315664425260227. The reversal of 315664425260225 is 522062524466513.

It is not a de Polignac number, because 315664425260225 - 2⁶ = 315664425260161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315664425260227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35269763711 + ... + 35269772660.

It is an arithmetic number, because the mean of its divisors is an integer number (32800884412980).

Almost surely, 2^{315664425260225} is an apocalyptic number.

It is an amenable number.

315664425260225 is a deficient number, since it is larger than the sum of its proper divisors (77946187695535).

315664425260225 is a wasteful number, since it uses less digits than its factorization.

315664425260225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70539536560 (or 70539536555 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 53.

The spelling of 315664425260225 in words is "three hundred fifteen trillion, six hundred sixty-four billion, four hundred twenty-five million, two hundred sixty thousand, two hundred twenty-five".