111116853269 has 2 divisors, whose sum is σ = 111116853270. Its totient is φ = 111116853268.

The previous prime is 111116853247. The next prime is 111116853277. The reversal of 111116853269 is 962358611111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79122376369 + 31994476900 = 281287^2 + 178870^2 .

It is a cyclic number.

It is not a de Polignac number, because 111116853269 - 2⁸ = 111116853013 is a prime.

It is a super-2 number, since 2×111116853269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111116856269) 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 as a sum of consecutive naturals, namely, 55558426634 + 55558426635.

It is an arithmetic number, because the mean of its divisors is an integer number (55558426635).

Almost surely, 2^111116853269 is an apocalyptic number.

It is an amenable number.

111116853269 is a deficient number, since it is larger than the sum of its proper divisors (1).

111116853269 is an equidigital number, since it uses as much as digits as its factorization.

111116853269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 44.

The spelling of 111116853269 in words is "one hundred eleven billion, one hundred sixteen million, eight hundred fifty-three thousand, two hundred sixty-nine".