111431041041 has 64 divisors (see below), whose sum is σ = 158111170560. Its totient is φ = 69710699520.

The previous prime is 111431041003. The next prime is 111431041049. The reversal of 111431041041 is 140140134111.

It is not a de Polignac number, because 111431041041 - 2¹³ = 111431032849 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111431040999 and 111431041017.

It is not an unprimeable number, because it can be changed into a prime (111431041049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134740870 + ... + 134741696.

It is an arithmetic number, because the mean of its divisors is an integer number (2470487040).

Almost surely, 2^111431041041 is an apocalyptic number.

It is an amenable number.

111431041041 is a deficient number, since it is larger than the sum of its proper divisors (46680129519).

111431041041 is a wasteful number, since it uses less digits than its factorization.

111431041041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 111431041041 its reverse (140140134111), we get a palindrome (251571175152).

The spelling of 111431041041 in words is "one hundred eleven billion, four hundred thirty-one million, forty-one thousand, forty-one".