111131541124 has 6 divisors (see below), whose sum is σ = 194480196974. Its totient is φ = 55565770560.

The previous prime is 111131541091. The next prime is 111131541133. The reversal of 111131541124 is 421145131111.

It can be written as a sum of positive squares in only one way, i.e., 105808379524 + 5323161600 = 325282^2 + 72960^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13891442637 + ... + 13891442644.

Almost surely, 2^111131541124 is an apocalyptic number.

It is an amenable number.

111131541124 is a deficient number, since it is larger than the sum of its proper divisors (83348655850).

111131541124 is a wasteful number, since it uses less digits than its factorization.

111131541124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27782885285 (or 27782885283 counting only the distinct ones).

The product of its digits is 480, while the sum is 25.

Adding to 111131541124 its reverse (421145131111), we get a palindrome (532276672235).

The spelling of 111131541124 in words is "one hundred eleven billion, one hundred thirty-one million, five hundred forty-one thousand, one hundred twenty-four".