111650427143 has 4 divisors (see below), whose sum is σ = 111652267080. Its totient is φ = 111648587208.

The previous prime is 111650427113. The next prime is 111650427151. The reversal of 111650427143 is 341724056111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111650427143 - 2²² = 111646232839 is a prime.

It is a super-2 number, since 2×111650427143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111650427113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825728 + ... + 951381.

It is an arithmetic number, because the mean of its divisors is an integer number (27913066770).

Almost surely, 2^111650427143 is an apocalyptic number.

111650427143 is a deficient number, since it is larger than the sum of its proper divisors (1839937).

111650427143 is an equidigital number, since it uses as much as digits as its factorization.

111650427143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839936.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 111650427143 in words is "one hundred eleven billion, six hundred fifty million, four hundred twenty-seven thousand, one hundred forty-three".