111169149293 has 4 divisors (see below), whose sum is σ = 111267617340. Its totient is φ = 111070681248.

The previous prime is 111169149251. The next prime is 111169149349. The reversal of 111169149293 is 392941961111.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51905141929 + 59264007364 = 227827^2 + 243442^2 .

It is a cyclic number.

It is not a de Polignac number, because 111169149293 - 2⁶ = 111169149229 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 (111169146293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49232330 + ... + 49234587.

It is an arithmetic number, because the mean of its divisors is an integer number (27816904335).

Almost surely, 2^111169149293 is an apocalyptic number.

It is an amenable number.

111169149293 is a deficient number, since it is larger than the sum of its proper divisors (98468047).

111169149293 is an equidigital number, since it uses as much as digits as its factorization.

111169149293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98468046.

The product of its digits is 104976, while the sum is 47.

The spelling of 111169149293 in words is "one hundred eleven billion, one hundred sixty-nine million, one hundred forty-nine thousand, two hundred ninety-three".