111111052 has 24 divisors (see below), whose sum is σ = 210346416. Its totient is φ = 51050688.

The previous prime is 111111041. The next prime is 111111061. The reversal of 111111052 is 250111111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7098 + ... + 16510.

It is an arithmetic number, because the mean of its divisors is an integer number (8764434).

Almost surely, 2^111111052 is an apocalyptic number.

It is an amenable number.

111111052 is a deficient number, since it is larger than the sum of its proper divisors (99235364).

111111052 is a wasteful number, since it uses less digits than its factorization.

111111052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9657 (or 9655 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 111111052 is about 10540.9227300080. The cubic root of 111111052 is about 480.7497715161.

Adding to 111111052 its reverse (250111111), we get a palindrome (361222163).

The spelling of 111111052 in words is "one hundred eleven million, one hundred eleven thousand, fifty-two".