315225244552 has 8 divisors (see below), whose sum is σ = 591047333550. Its totient is φ = 157612622272.

The previous prime is 315225244547. The next prime is 315225244553. The reversal of 315225244552 is 255442522513.

It can be written as a sum of positive squares in only one way, i.e., 308164875876 + 7060368676 = 555126^2 + 84026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (315225244553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19701577777 + ... + 19701577792.

Almost surely, 2^315225244552 is an apocalyptic number.

It is an amenable number.

315225244552 is a deficient number, since it is larger than the sum of its proper divisors (275822088998).

315225244552 is a wasteful number, since it uses less digits than its factorization.

315225244552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39403155575 (or 39403155571 counting only the distinct ones).

The product of its digits is 480000, while the sum is 40.

The spelling of 315225244552 in words is "three hundred fifteen billion, two hundred twenty-five million, two hundred forty-four thousand, five hundred fifty-two".