111231155343 has 32 divisors (see below), whose sum is σ = 187934971392. Its totient is φ = 56835158400.

The previous prime is 111231155339. The next prime is 111231155351. The reversal of 111231155343 is 343551132111.

It is not a de Polignac number, because 111231155343 - 2² = 111231155339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111231155343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111231155303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3932796 + ... + 3960977.

It is an arithmetic number, because the mean of its divisors is an integer number (5872967856).

Almost surely, 2^111231155343 is an apocalyptic number.

111231155343 is a deficient number, since it is larger than the sum of its proper divisors (76703816049).

111231155343 is a wasteful number, since it uses less digits than its factorization.

111231155343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893855.

The product of its digits is 5400, while the sum is 30.

Adding to 111231155343 its reverse (343551132111), we get a palindrome (454782287454).

The spelling of 111231155343 in words is "one hundred eleven billion, two hundred thirty-one million, one hundred fifty-five thousand, three hundred forty-three".