111443154043 has 12 divisors (see below), whose sum is σ = 124567883328. Its totient is φ = 99552192480.

The previous prime is 111443154041. The next prime is 111443154061. The reversal of 111443154043 is 340451344111.

It is not a de Polignac number, because 111443154043 - 2¹ = 111443154041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111443153996 and 111443154014.

It is not an unprimeable number, because it can be changed into a prime (111443154041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10630680 + ... + 10641157.

It is an arithmetic number, because the mean of its divisors is an integer number (10380656944).

Almost surely, 2^111443154043 is an apocalyptic number.

111443154043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111443154043 is a deficient number, since it is larger than the sum of its proper divisors (13124729285).

111443154043 is a wasteful number, since it uses less digits than its factorization.

111443154043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21271894 (or 21271881 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 111443154043 its reverse (340451344111), we get a palindrome (451894498154).

The spelling of 111443154043 in words is "one hundred eleven billion, four hundred forty-three million, one hundred fifty-four thousand, forty-three".