11111115052 has 12 divisors (see below), whose sum is σ = 19445286280. Its totient is φ = 5555318976.

The previous prime is 11111115049. The next prime is 11111115053. The reversal of 11111115052 is 25051111111.

It is not an unprimeable number, because it can be changed into a prime (11111115053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83143 + ... + 170689.

Almost surely, 2^11111115052 is an apocalyptic number.

It is an amenable number.

11111115052 is a deficient number, since it is larger than the sum of its proper divisors (8334171228).

11111115052 is a wasteful number, since it uses less digits than its factorization.

11111115052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119280 (or 119278 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 19.

Adding to 11111115052 its reverse (25051111111), we get a palindrome (36162226163).

The spelling of 11111115052 in words is "eleven billion, one hundred eleven million, one hundred fifteen thousand, fifty-two".