111432331241 has 144 divisors (see below), whose sum is σ = 158442197760. Its totient is φ = 77256970560.

The previous prime is 111432331223. The next prime is 111432331291. The reversal of 111432331241 is 142133234111.

It is not a de Polignac number, because 111432331241 - 2²⁶ = 111365222377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111432331241.

It is not an unprimeable number, because it can be changed into a prime (111432331291) by changing a digit.

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 in 143 ways as a sum of consecutive naturals, for example, 362971610 + ... + 362971916.

It is an arithmetic number, because the mean of its divisors is an integer number (1100293040).

Almost surely, 2^111432331241 is an apocalyptic number.

111432331241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111432331241 is a deficient number, since it is larger than the sum of its proper divisors (47009866519).

111432331241 is a wasteful number, since it uses less digits than its factorization.

111432331241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 434 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

Adding to 111432331241 its reverse (142133234111), we get a palindrome (253565565352).

The spelling of 111432331241 in words is "one hundred eleven billion, four hundred thirty-two million, three hundred thirty-one thousand, two hundred forty-one".