111365701225 has 27 divisors (see below), whose sum is σ = 142758101829. Its totient is φ = 86178561600.

The previous prime is 111365701201. The next prime is 111365701231. The reversal of 111365701225 is 522107563111.

The square root of 111365701225 is 333715.

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

It can be written as a sum of positive squares in 4 ways, for example, as 41015565529 + 70350135696 = 202523^2 + 265236^2 .

It is not a de Polignac number, because 111365701225 - 2⁵ = 111365701193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 51724749 + ... + 51726901.

Almost surely, 2^111365701225 is an apocalyptic number.

111365701225 is the 333715-th square number.

111365701225 is the 166858-th centered octagonal number.

It is an amenable number.

111365701225 is a deficient number, since it is larger than the sum of its proper divisors (31392400604).

111365701225 is an frugal number, since it uses more digits than its factorization.

111365701225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 111365701225 in words is "one hundred eleven billion, three hundred sixty-five million, seven hundred one thousand, two hundred twenty-five".