13883415561 has 48 divisors (see below), whose sum is σ = 20808156096. Its totient is φ = 8915307648.

The previous prime is 13883415541. The next prime is 13883415571. The reversal of 13883415561 is 16551438831.

13883415561 is a `hidden beast` number, since 1 + 3 + 8 + 83 + 4 + 1 + 5 + 561 = 666.

It is not a de Polignac number, because 13883415561 - 2¹⁴ = 13883399177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13883415541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6848230 + ... + 6850256.

It is an arithmetic number, because the mean of its divisors is an integer number (433503252).

Almost surely, 2^13883415561 is an apocalyptic number.

It is an amenable number.

13883415561 is a deficient number, since it is larger than the sum of its proper divisors (6924740535).

13883415561 is a wasteful number, since it uses less digits than its factorization.

13883415561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342 (or 2339 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 13883415561 in words is "thirteen billion, eight hundred eighty-three million, four hundred fifteen thousand, five hundred sixty-one".