2315552204564 has 24 divisors (see below), whose sum is σ = 4107964654248. Its totient is φ = 1141929492480.

The previous prime is 2315552204557. The next prime is 2315552204687. The reversal of 2315552204564 is 4654022555132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1252962332164 + 1062589872400 = 1119358^2 + 1030820^2 .

It is a super-2 number, since 2×2315552204564² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 10070477 + ... + 10297844.

It is an arithmetic number, because the mean of its divisors is an integer number (171165193927).

Almost surely, 2^{2315552204564} is an apocalyptic number.

It is an amenable number.

2315552204564 is a deficient number, since it is larger than the sum of its proper divisors (1792412449684).

2315552204564 is a wasteful number, since it uses less digits than its factorization.

2315552204564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368715 (or 20368713 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 2315552204564 its reverse (4654022555132), we get a palindrome (6969574759696).

The spelling of 2315552204564 in words is "two trillion, three hundred fifteen billion, five hundred fifty-two million, two hundred four thousand, five hundred sixty-four".