111663416252 has 24 divisors (see below), whose sum is σ = 206099955600. Its totient is φ = 52789262976.

The previous prime is 111663416239. The next prime is 111663416261. The reversal of 111663416252 is 252614366111.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 1404593 + ... + 1481960.

It is an arithmetic number, because the mean of its divisors is an integer number (8587498150).

Almost surely, 2^111663416252 is an apocalyptic number.

It is an amenable number.

111663416252 is a deficient number, since it is larger than the sum of its proper divisors (94436539348).

111663416252 is a wasteful number, since it uses less digits than its factorization.

111663416252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887085 (or 2887083 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The spelling of 111663416252 in words is "one hundred eleven billion, six hundred sixty-three million, four hundred sixteen thousand, two hundred fifty-two".