111005052225 has 24 divisors (see below), whose sum is σ = 183549002112. Its totient is φ = 59196033600.

The previous prime is 111005052199. The next prime is 111005052227. The reversal of 111005052225 is 522250500111.

It is not a de Polignac number, because 111005052225 - 2⁹ = 111005051713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111005052195 and 111005052204.

It is not an unprimeable number, because it can be changed into a prime (111005052227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 628024 + ... + 785126.

It is an arithmetic number, because the mean of its divisors is an integer number (7647875088).

Almost surely, 2^111005052225 is an apocalyptic number.

111005052225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111005052225 is a deficient number, since it is larger than the sum of its proper divisors (72543949887).

111005052225 is a wasteful number, since it uses less digits than its factorization.

111005052225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166537 (or 166532 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 111005052225 its reverse (522250500111), we get a palindrome (633255552336).

The spelling of 111005052225 in words is "one hundred eleven billion, five million, fifty-two thousand, two hundred twenty-five".