109056564863 has 4 divisors (see below), whose sum is σ = 109309596768. Its totient is φ = 108803532960.

The previous prime is 109056564853. The next prime is 109056564949. The reversal of 109056564863 is 368465650901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368465650901 = 17 ⋅21674450053.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109056564863 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 (109056564823) 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, 126515306 + ... + 126516167.

It is an arithmetic number, because the mean of its divisors is an integer number (27327399192).

Almost surely, 2^109056564863 is an apocalyptic number.

109056564863 is a deficient number, since it is larger than the sum of its proper divisors (253031905).

109056564863 is an equidigital number, since it uses as much as digits as its factorization.

109056564863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253031904.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 109056564863 in words is "one hundred nine billion, fifty-six million, five hundred sixty-four thousand, eight hundred sixty-three".