111763272394225 has 9 divisors (see below), whose sum is σ = 138586523314123. Its totient is φ = 89410575628120.

The previous prime is 111763272394201. The next prime is 111763272394307. The reversal of 111763272394225 is 522493272367111.

It is a happy number.

The square root of 111763272394225 is 10571815.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 40234778061921 + 71528494332304 = 6343089^2 + 8457452^2 .

It is not a de Polignac number, because 111763272394225 - 2¹⁵ = 111763272361457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51801894 + ... + 53916256.

Almost surely, 2^{111763272394225} is an apocalyptic number.

111763272394225 is the 10571815-th square number.

111763272394225 is the 5285908-th centered octagonal number.

It is an amenable number.

111763272394225 is a deficient number, since it is larger than the sum of its proper divisors (26823250919898).

111763272394225 is an frugal number, since it uses more digits than its factorization.

111763272394225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228736 (or 2114368 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The spelling of 111763272394225 in words is "one hundred eleven trillion, seven hundred sixty-three billion, two hundred seventy-two million, three hundred ninety-four thousand, two hundred twenty-five".