15580112449 has 4 divisors (see below), whose sum is σ = 16996486320. Its totient is φ = 14163738580.

The previous prime is 15580112441. The next prime is 15580112459. The reversal of 15580112449 is 94421108551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15580112449 - 2³ = 15580112441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15580112441) 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, 708186919 + ... + 708186940.

It is an arithmetic number, because the mean of its divisors is an integer number (4249121580).

Almost surely, 2^15580112449 is an apocalyptic number.

It is an amenable number.

15580112449 is a deficient number, since it is larger than the sum of its proper divisors (1416373871).

15580112449 is a wasteful number, since it uses less digits than its factorization.

15580112449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416373870.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 15580112449 in words is "fifteen billion, five hundred eighty million, one hundred twelve thousand, four hundred forty-nine".