111041429989 has 4 divisors (see below), whose sum is σ = 126904491424. Its totient is φ = 95178368556.

The previous prime is 111041429977. The next prime is 111041430037. The reversal of 111041429989 is 989924140111.

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 not a de Polignac number, because 111041429989 - 2²⁵ = 111007875557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111041429969) 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, 7931530707 + ... + 7931530720.

It is an arithmetic number, because the mean of its divisors is an integer number (31726122856).

Almost surely, 2^111041429989 is an apocalyptic number.

It is an amenable number.

111041429989 is a deficient number, since it is larger than the sum of its proper divisors (15863061435).

111041429989 is an equidigital number, since it uses as much as digits as its factorization.

111041429989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15863061434.

The product of its (nonzero) digits is 186624, while the sum is 49.

The spelling of 111041429989 in words is "one hundred eleven billion, forty-one million, four hundred twenty-nine thousand, nine hundred eighty-nine".