111550142343 has 16 divisors (see below), whose sum is σ = 157715220960. Its totient is φ = 69888838656.

The previous prime is 111550142317. The next prime is 111550142383. The reversal of 111550142343 is 343241055111.

It is not a de Polignac number, because 111550142343 - 2⁵ = 111550142311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111550142343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111550142383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580878 + ... + 1649931.

It is an arithmetic number, because the mean of its divisors is an integer number (9857201310).

Almost surely, 2^111550142343 is an apocalyptic number.

111550142343 is a deficient number, since it is larger than the sum of its proper divisors (46165078617).

111550142343 is a wasteful number, since it uses less digits than its factorization.

111550142343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231506.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 111550142343 its reverse (343241055111), we get a palindrome (454791197454).

The spelling of 111550142343 in words is "one hundred eleven billion, five hundred fifty million, one hundred forty-two thousand, three hundred forty-three".