111681325 has 12 divisors (see below), whose sum is σ = 158268640. Its totient is φ = 76581360.

The previous prime is 111681293. The next prime is 111681331. The reversal of 111681325 is 523186111.

It is not a de Polignac number, because 111681325 - 2⁵ = 111681293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111681293 and 111681302.

It is a congruent 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, 318915 + ... + 319264.

Almost surely, 2^111681325 is an apocalyptic number.

It is an amenable number.

111681325 is a deficient number, since it is larger than the sum of its proper divisors (46587315).

111681325 is an equidigital number, since it uses as much as digits as its factorization.

111681325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638196 (or 638191 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 111681325 is about 10567.9385406994. The cubic root of 111681325 is about 481.5708446868.

The spelling of 111681325 in words is "one hundred eleven million, six hundred eighty-one thousand, three hundred twenty-five".