111120554143 has 8 divisors (see below), whose sum is σ = 115972822368. Its totient is φ = 106270030944.

The previous prime is 111120554113. The next prime is 111120554173. The reversal of 111120554143 is 341455021111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111120554113) and next prime (111120554173).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-111120554143 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 (111120554113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305280 + ... + 561637.

It is an arithmetic number, because the mean of its divisors is an integer number (14496602796).

Almost surely, 2^111120554143 is an apocalyptic number.

111120554143 is a deficient number, since it is larger than the sum of its proper divisors (4852268225).

111120554143 is an equidigital number, since it uses as much as digits as its factorization.

111120554143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872513.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 111120554143 its reverse (341455021111), we get a palindrome (452575575254).

The spelling of 111120554143 in words is "one hundred eleven billion, one hundred twenty million, five hundred fifty-four thousand, one hundred forty-three".