561110079 has 4 divisors (see below), whose sum is σ = 748146776. Its totient is φ = 374073384.

The previous prime is 561110027. The next prime is 561110083. The reversal of 561110079 is 970011165.

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

It is not a de Polignac number, because 561110079 - 2⁸ = 561109823 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 (561110479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93518344 + ... + 93518349.

It is an arithmetic number, because the mean of its divisors is an integer number (187036694).

Almost surely, 2^561110079 is an apocalyptic number.

561110079 is a deficient number, since it is larger than the sum of its proper divisors (187036697).

561110079 is a wasteful number, since it uses less digits than its factorization.

561110079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187036696.

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 561110079 is about 23687.7622201845. The cubic root of 561110079 is about 824.8013376567.

The spelling of 561110079 in words is "five hundred sixty-one million, one hundred ten thousand, seventy-nine".