111102400143 has 64 divisors (see below), whose sum is σ = 189242081280. Its totient is φ = 63105886944.

The previous prime is 111102400139. The next prime is 111102400217. The reversal of 111102400143 is 341004201111.

111102400143 is a `hidden beast` number, since 11 + 110 + 2 + 400 + 143 = 666.

It is not a de Polignac number, because 111102400143 - 2² = 111102400139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102400133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34685380 + ... + 34688582.

It is an arithmetic number, because the mean of its divisors is an integer number (2956907520).

Almost surely, 2^111102400143 is an apocalyptic number.

111102400143 is a deficient number, since it is larger than the sum of its proper divisors (78139681137).

111102400143 is a wasteful number, since it uses less digits than its factorization.

111102400143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4265 (or 4259 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111102400143 its reverse (341004201111), we get a palindrome (452106601254).

The spelling of 111102400143 in words is "one hundred eleven billion, one hundred two million, four hundred thousand, one hundred forty-three".