2315564513406 has 24 divisors (see below), whose sum is σ = 5017105738944. Its totient is φ = 771847254240.

The previous prime is 2315564513359. The next prime is 2315564513407. The reversal of 2315564513406 is 6043154655132.

It is a happy number.

2315564513406 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 564 + 51 + 34 + 0 + 6 = 666.

2315564513406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315564513407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1433395 + ... + 2585681.

It is an arithmetic number, because the mean of its divisors is an integer number (209046072456).

Almost surely, 2^{2315564513406} is an apocalyptic number.

2315564513406 is an abundant number, since it is smaller than the sum of its proper divisors (2701541225538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2315564513406 is a wasteful number, since it uses less digits than its factorization.

2315564513406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263936 (or 1263933 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 2315564513406 in words is "two trillion, three hundred fifteen billion, five hundred sixty-four million, five hundred thirteen thousand, four hundred six".