111231130111225 has 24 divisors (see below), whose sum is σ = 139267200862400. Its totient is φ = 88120019862720.

The previous prime is 111231130111177. The next prime is 111231130111253. The reversal of 111231130111225 is 522111031132111.

It is not a de Polignac number, because 111231130111225 - 2¹³ = 111231130103033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 111231130111225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326723542 + ... + 327063808.

Almost surely, 2^{111231130111225} is an apocalyptic number.

It is an amenable number.

111231130111225 is a deficient number, since it is larger than the sum of its proper divisors (28036070751175).

111231130111225 is a wasteful number, since it uses less digits than its factorization.

111231130111225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467329 (or 467324 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 25.

Adding to 111231130111225 its reverse (522111031132111), we get a palindrome (633342161243336).

The spelling of 111231130111225 in words is "one hundred eleven trillion, two hundred thirty-one billion, one hundred thirty million, one hundred eleven thousand, two hundred twenty-five".