111231749443 has 8 divisors (see below), whose sum is σ = 115162225200. Its totient is φ = 107307600288.

The previous prime is 111231749429. The next prime is 111231749557. The reversal of 111231749443 is 344947132111.

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 111231749443 - 2¹⁷ = 111231618371 is a prime.

It is a super-3 number, since 3×111231749443³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111231749396 and 111231749405.

It is not an unprimeable number, because it can be changed into a prime (111231749843) 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, 1545853 + ... + 1616206.

It is an arithmetic number, because the mean of its divisors is an integer number (14395278150).

Almost surely, 2^111231749443 is an apocalyptic number.

111231749443 is a deficient number, since it is larger than the sum of its proper divisors (3930475757).

111231749443 is a wasteful number, since it uses less digits than its factorization.

111231749443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163301.

The product of its digits is 72576, while the sum is 40.

The spelling of 111231749443 in words is "one hundred eleven billion, two hundred thirty-one million, seven hundred forty-nine thousand, four hundred forty-three".