111516763225 has 12 divisors (see below), whose sum is σ = 158035184704. Its totient is φ = 76468637520.

The previous prime is 111516763207. The next prime is 111516763247. The reversal of 111516763225 is 522367615111.

It is a happy number.

It is not a de Polignac number, because 111516763225 - 2¹⁷ = 111516632153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318619149 + ... + 318619498.

Almost surely, 2^111516763225 is an apocalyptic number.

It is an amenable number.

111516763225 is a deficient number, since it is larger than the sum of its proper divisors (46518421479).

111516763225 is an equidigital number, since it uses as much as digits as its factorization.

111516763225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637238664 (or 637238659 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The spelling of 111516763225 in words is "one hundred eleven billion, five hundred sixteen million, seven hundred sixty-three thousand, two hundred twenty-five".