111853141 has 4 divisors (see below), whose sum is σ = 111880800. Its totient is φ = 111825484.

The previous prime is 111853129. The next prime is 111853193. The reversal of 111853141 is 141358111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111853141 is a prime.

It is a super-2 number, since 2×111853141² = 25022250303131762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111853121) 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, 6451 + ... + 16288.

It is an arithmetic number, because the mean of its divisors is an integer number (27970200).

Almost surely, 2^111853141 is an apocalyptic number.

It is an amenable number.

111853141 is a deficient number, since it is larger than the sum of its proper divisors (27659).

111853141 is an equidigital number, since it uses as much as digits as its factorization.

111853141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27658.

The product of its digits is 480, while the sum is 25.

The square root of 111853141 is about 10576.0645327078. The cubic root of 111853141 is about 481.8176755132.

The spelling of 111853141 in words is "one hundred eleven million, eight hundred fifty-three thousand, one hundred forty-one".