561342216611115 has 12 divisors (see below), whose sum is σ = 972993175459344. Its totient is φ = 299382515525904.

The previous prime is 561342216611047. The next prime is 561342216611153. The reversal of 561342216611115 is 511116612243165.

561342216611115 is a `hidden beast` number, since 5 + 6 + 1 + 3 + 4 + 2 + 2 + 16 + 611 + 1 + 15 = 666.

It is not a de Polignac number, because 561342216611115 - 2¹⁸ = 561342216348971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 12474271480247 = 561342216611115 / (5 + 6 + 1 + 3 + 4 + 2 + 2 + 1 + 6 + 6 + 1 + 1 + 1 + 1 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6237135740079 + ... + 6237135740168.

It is an arithmetic number, because the mean of its divisors is an integer number (81082764621612).

Almost surely, 2^{561342216611115} is an apocalyptic number.

561342216611115 is a deficient number, since it is larger than the sum of its proper divisors (411650958848229).

561342216611115 is a wasteful number, since it uses less digits than its factorization.

561342216611115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12474271480258 (or 12474271480255 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 561342216611115 in words is "five hundred sixty-one trillion, three hundred forty-two billion, two hundred sixteen million, six hundred eleven thousand, one hundred fifteen".