111400052 has 6 divisors (see below), whose sum is σ = 194950098. Its totient is φ = 55700024.

The previous prime is 111400013. The next prime is 111400087. The reversal of 111400052 is 250004111.

It can be written as a sum of positive squares in only one way, i.e., 96314596 + 15085456 = 9814^2 + 3884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13925003 + ... + 13925010.

It is an arithmetic number, because the mean of its divisors is an integer number (32491683).

Almost surely, 2^111400052 is an apocalyptic number.

It is an amenable number.

111400052 is a deficient number, since it is larger than the sum of its proper divisors (83550046).

111400052 is a wasteful number, since it uses less digits than its factorization.

111400052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27850017 (or 27850015 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 111400052 is about 10554.6223049430. The cubic root of 111400052 is about 481.1662209364.

Adding to 111400052 its reverse (250004111), we get a palindrome (361404163).

The spelling of 111400052 in words is "one hundred eleven million, four hundred thousand, fifty-two".