111142331434444 has 48 divisors (see below), whose sum is σ = 200548089423360. Its totient is φ = 53865899499200.

The previous prime is 111142331434403. The next prime is 111142331434481. The reversal of 111142331434444 is 444434133241111.

It is a junction number, because it is equal to n+sod(n) for n = 111142331434397 and 111142331434406.

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, 73702887 + ... + 75195745.

It is an arithmetic number, because the mean of its divisors is an integer number (4178085196320).

Almost surely, 2^{111142331434444} is an apocalyptic number.

It is an amenable number.

111142331434444 is a deficient number, since it is larger than the sum of its proper divisors (89405757988916).

111142331434444 is a wasteful number, since it uses less digits than its factorization.

111142331434444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496718 (or 1496716 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

Adding to 111142331434444 its reverse (444434133241111), we get a palindrome (555576464675555).

The spelling of 111142331434444 in words is "one hundred eleven trillion, one hundred forty-two billion, three hundred thirty-one million, four hundred thirty-four thousand, four hundred forty-four".