315043064421225 has 24 divisors (see below), whose sum is σ = 595281371250240. Its totient is φ = 144019686592320.

The previous prime is 315043064421221. The next prime is 315043064421277. The reversal of 315043064421225 is 522124460340513.

It is not a de Polignac number, because 315043064421225 - 2² = 315043064421221 is a prime.

It is a super-4 number, since 4×315043064421225⁴ (a number of 59 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (315043064421221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300041013210 + ... + 300041014259.

It is an arithmetic number, because the mean of its divisors is an integer number (24803390468760).

Almost surely, 2^{315043064421225} is an apocalyptic number.

315043064421225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315043064421225 is a deficient number, since it is larger than the sum of its proper divisors (280238306829015).

315043064421225 is a wasteful number, since it uses less digits than its factorization.

315043064421225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600082027489 (or 600082027484 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 315043064421225 in words is "three hundred fifteen trillion, forty-three billion, sixty-four million, four hundred twenty-one thousand, two hundred twenty-five".