315511641463345 has 8 divisors (see below), whose sum is σ = 378775701495720. Its totient is φ = 252301492010880.

The previous prime is 315511641463339. The next prime is 315511641463387. The reversal of 315511641463345 is 543364146115513.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37908858338289 + 277602783125056 = 6157017^2 + 16661416^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315511641463345 - 2³¹ = 315509493979697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315511641463292 and 315511641463301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13477632100 + ... + 13477655509.

It is an arithmetic number, because the mean of its divisors is an integer number (47346962686965).

Almost surely, 2^{315511641463345} is an apocalyptic number.

It is an amenable number.

315511641463345 is a deficient number, since it is larger than the sum of its proper divisors (63264060032375).

315511641463345 is a wasteful number, since it uses less digits than its factorization.

315511641463345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26955289955.

The product of its digits is 7776000, while the sum is 52.

Adding to 315511641463345 its reverse (543364146115513), we get a palindrome (858875787578858).

The spelling of 315511641463345 in words is "three hundred fifteen trillion, five hundred eleven billion, six hundred forty-one million, four hundred sixty-three thousand, three hundred forty-five".