561103186799 has 4 divisors (see below), whose sum is σ = 561418947264. Its totient is φ = 560787426336.

The previous prime is 561103186789. The next prime is 561103186801. The reversal of 561103186799 is 997681301165.

561103186799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 561103186799 - 2⁸ = 561103186543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561103186789) 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, 157877567 + ... + 157881120.

It is an arithmetic number, because the mean of its divisors is an integer number (140354736816).

Almost surely, 2^561103186799 is an apocalyptic number.

561103186799 is a deficient number, since it is larger than the sum of its proper divisors (315760465).

561103186799 is a wasteful number, since it uses less digits than its factorization.

561103186799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315760464.

The product of its (nonzero) digits is 2449440, while the sum is 56.

The spelling of 561103186799 in words is "five hundred sixty-one billion, one hundred three million, one hundred eighty-six thousand, seven hundred ninety-nine".