315355545553513 has 4 divisors (see below), whose sum is σ = 315355622259780. Its totient is φ = 315355468847248.

The previous prime is 315355545553511. The next prime is 315355545553519.

315355545553513 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125226663582784 + 190128881970729 = 11190472^2 + 13788723^2 .

It is a cyclic number.

It is not a de Polignac number, because 315355545553513 - 2¹ = 315355545553511 is a prime.

It is a super-2 number, since 2×315355545553513² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315355545553511) 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, 31814770 + ... + 40532587.

It is an arithmetic number, because the mean of its divisors is an integer number (78838905564945).

Almost surely, 2^{315355545553513} is an apocalyptic number.

It is an amenable number.

315355545553513 is a deficient number, since it is larger than the sum of its proper divisors (76706267).

315355545553513 is an equidigital number, since it uses as much as digits as its factorization.

315355545553513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76706266.

The product of its digits is 126562500, while the sum is 58.

The spelling of 315355545553513 in words is "three hundred fifteen trillion, three hundred fifty-five billion, five hundred forty-five million, five hundred fifty-three thousand, five hundred thirteen".