111117166136263 has 12 divisors (see below), whose sum is σ = 133428381195072. Its totient is φ = 92170921217760.

The previous prime is 111117166136189. The next prime is 111117166136269. The reversal of 111117166136263 is 362631661711111.

It is not a de Polignac number, because 111117166136263 - 2³³ = 111108576201671 is a prime.

It is a super-2 number, since 2×111117166136263² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111117166136269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36575760870 + ... + 36575763907.

It is an arithmetic number, because the mean of its divisors is an integer number (11119031766256).

Almost surely, 2^{111117166136263} is an apocalyptic number.

111117166136263 is a deficient number, since it is larger than the sum of its proper divisors (22311215058809).

111117166136263 is an equidigital number, since it uses as much as digits as its factorization.

111117166136263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73151524822 (or 73151524815 counting only the distinct ones).

The product of its digits is 163296, while the sum is 46.

The spelling of 111117166136263 in words is "one hundred eleven trillion, one hundred seventeen billion, one hundred sixty-six million, one hundred thirty-six thousand, two hundred sixty-three".