111431134111 has 8 divisors (see below), whose sum is σ = 121608403200. Its totient is φ = 101261726040.

The previous prime is 111431134097. The next prime is 111431134121.

111431134111 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111431134111 - 2¹⁷ = 111431003039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111431134121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935591 + ... + 1992328.

It is an arithmetic number, because the mean of its divisors is an integer number (15201050400).

Almost surely, 2^111431134111 is an apocalyptic number.

111431134111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111431134111 is a deficient number, since it is larger than the sum of its proper divisors (10177269089).

111431134111 is a wasteful number, since it uses less digits than its factorization.

111431134111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930509.

The product of its digits is 144, while the sum is 22.

It can be divided in two parts, 111431 and 134111, that added together give a palindrome (245542).

The spelling of 111431134111 in words is "one hundred eleven billion, four hundred thirty-one million, one hundred thirty-four thousand, one hundred eleven".