111434030143 has 2 divisors, whose sum is σ = 111434030144. Its totient is φ = 111434030142.

The previous prime is 111434030137. The next prime is 111434030161. The reversal of 111434030143 is 341030434111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111434030143 - 2⁵ = 111434030111 is a prime.

It is a super-2 number, since 2×111434030143² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111444030143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55717015071 + 55717015072.

It is an arithmetic number, because the mean of its divisors is an integer number (55717015072).

Almost surely, 2^111434030143 is an apocalyptic number.

111434030143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111434030143 is an equidigital number, since it uses as much as digits as its factorization.

111434030143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 111434030143 its reverse (341030434111), we get a palindrome (452464464254).

The spelling of 111434030143 in words is "one hundred eleven billion, four hundred thirty-four million, thirty thousand, one hundred forty-three".