315414512054521 has 16 divisors (see below), whose sum is σ = 346407710040000. Its totient is φ = 284807948558400.

The previous prime is 315414512054501. The next prime is 315414512054591. The reversal of 315414512054521 is 125450215414513.

It is a cyclic number.

It is not a de Polignac number, because 315414512054521 - 2¹³ = 315414512046329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315414512054501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55407130 + ... + 60834028.

It is an arithmetic number, because the mean of its divisors is an integer number (21650481877500).

Almost surely, 2^{315414512054521} is an apocalyptic number.

It is an amenable number.

315414512054521 is a deficient number, since it is larger than the sum of its proper divisors (30993197985479).

315414512054521 is a wasteful number, since it uses less digits than its factorization.

315414512054521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462520.

The product of its (nonzero) digits is 480000, while the sum is 43.

The spelling of 315414512054521 in words is "three hundred fifteen trillion, four hundred fourteen billion, five hundred twelve million, fifty-four thousand, five hundred twenty-one".