111881363 has 4 divisors (see below), whose sum is σ = 122052408. Its totient is φ = 101710320.

The previous prime is 111881353. The next prime is 111881383. The reversal of 111881363 is 363188111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111881363 - 2²⁶ = 44772499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111881323) 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, 5085506 + ... + 5085527.

It is an arithmetic number, because the mean of its divisors is an integer number (30513102).

Almost surely, 2^111881363 is an apocalyptic number.

111881363 is a deficient number, since it is larger than the sum of its proper divisors (10171045).

111881363 is a wasteful number, since it uses less digits than its factorization.

111881363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10171044.

The product of its digits is 3456, while the sum is 32.

The square root of 111881363 is about 10577.3986877682. The cubic root of 111881363 is about 481.8581950577.

The spelling of 111881363 in words is "one hundred eleven million, eight hundred eighty-one thousand, three hundred sixty-three".