111432124042 has 32 divisors (see below), whose sum is σ = 178296090624. Its totient is φ = 52050028800.

The previous prime is 111432124019. The next prime is 111432124081. The reversal of 111432124042 is 240421234111.

It is a junction number, because it is equal to n+sod(n) for n = 111432123998 and 111432124016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2988192 + ... + 3025252.

It is an arithmetic number, because the mean of its divisors is an integer number (5571752832).

Almost surely, 2^111432124042 is an apocalyptic number.

111432124042 is a deficient number, since it is larger than the sum of its proper divisors (66863966582).

111432124042 is a wasteful number, since it uses less digits than its factorization.

111432124042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37734.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 111432124042 its reverse (240421234111), we get a palindrome (351853358153).

The spelling of 111432124042 in words is "one hundred eleven billion, four hundred thirty-two million, one hundred twenty-four thousand, forty-two".