315652025331520 has 28 divisors (see below), whose sum is σ = 751646385321444. Its totient is φ = 126260810132480.

The previous prime is 315652025331481. The next prime is 315652025331529. The reversal of 315652025331520 is 25133520256513.

It can be written as a sum of positive squares in 2 ways, for example, as 252007243069696 + 63644782261824 = 15874736^2 + 7977768^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315652025331529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493206289261 + ... + 493206289900.

Almost surely, 2^{315652025331520} is an apocalyptic number.

It is an amenable number.

315652025331520 is an abundant number, since it is smaller than the sum of its proper divisors (435994359989924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315652025331520 is an equidigital number, since it uses as much as digits as its factorization.

315652025331520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986412579178 (or 986412579168 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 315652025331520 in words is "three hundred fifteen trillion, six hundred fifty-two billion, twenty-five million, three hundred thirty-one thousand, five hundred twenty".