111144032042 has 32 divisors (see below), whose sum is σ = 170396110080. Its totient is φ = 54358917760.

The previous prime is 111144032023. The next prime is 111144032101. The reversal of 111144032042 is 240230441111.

It is a junction number, because it is equal to n+sod(n) for n = 111144031999 and 111144032017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13489148 + ... + 13497384.

It is an arithmetic number, because the mean of its divisors is an integer number (5324878440).

Almost surely, 2^111144032042 is an apocalyptic number.

111144032042 is a deficient number, since it is larger than the sum of its proper divisors (59252078038).

111144032042 is a wasteful number, since it uses less digits than its factorization.

111144032042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 111144032042 its reverse (240230441111), we get a palindrome (351374473153).

The spelling of 111144032042 in words is "one hundred eleven billion, one hundred forty-four million, thirty-two thousand, forty-two".