111315232252 has 12 divisors (see below), whose sum is σ = 222630464560. Its totient is φ = 47706528096.

The previous prime is 111315232213. The next prime is 111315232271. The reversal of 111315232252 is 252232513111.

111315232252 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 3975544009 = 111315232252 / (1 + 1 + 1 + 3 + 1 + 5 + 2 + 3 + 2 + 2 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 111315232252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987771977 + ... + 1987772032.

Almost surely, 2^111315232252 is an apocalyptic number.

It is an amenable number.

111315232252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111315232252 is a wasteful number, since it uses less digits than its factorization.

111315232252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975544020 (or 3975544018 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 111315232252 its reverse (252232513111), we get a palindrome (363547745363).

The spelling of 111315232252 in words is "one hundred eleven billion, three hundred fifteen million, two hundred thirty-two thousand, two hundred fifty-two".