111311325 has 36 divisors (see below), whose sum is σ = 211105908. Its totient is φ = 55872000.

The previous prime is 111311303. The next prime is 111311341. The reversal of 111311325 is 523113111.

It can be written as a sum of positive squares in 6 ways, for example, as 12467961 + 98843364 = 3531^2 + 9942^2 .

It is not a de Polignac number, because 111311325 - 2⁶ = 111311261 is a prime.

It is a super-2 number, since 2×111311325² = 24780422146511250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111311298 and 111311307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10726 + ... + 18375.

It is an arithmetic number, because the mean of its divisors is an integer number (5864053).

Almost surely, 2^111311325 is an apocalyptic number.

111311325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111311325 is a deficient number, since it is larger than the sum of its proper divisors (99794583).

111311325 is a wasteful number, since it uses less digits than its factorization.

111311325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29134 (or 29126 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 111311325 is about 10550.4182381553. The cubic root of 111311325 is about 481.0384418974.

Adding to 111311325 its reverse (523113111), we get a palindrome (634424436).

The spelling of 111311325 in words is "one hundred eleven million, three hundred eleven thousand, three hundred twenty-five".