111774866113 has 4 divisors (see below), whose sum is σ = 114374281648. Its totient is φ = 109175450580.

The previous prime is 111774866107. The next prime is 111774866149. The reversal of 111774866113 is 311668477111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111774866113 - 2⁵ = 111774866081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111774866183) 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, 1299707703 + ... + 1299707788.

It is an arithmetic number, because the mean of its divisors is an integer number (28593570412).

Almost surely, 2^111774866113 is an apocalyptic number.

It is an amenable number.

111774866113 is a deficient number, since it is larger than the sum of its proper divisors (2599415535).

111774866113 is an equidigital number, since it uses as much as digits as its factorization.

111774866113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599415534.

The product of its digits is 169344, while the sum is 46.

The spelling of 111774866113 in words is "one hundred eleven billion, seven hundred seventy-four million, eight hundred sixty-six thousand, one hundred thirteen".