105505113143 has 2 divisors, whose sum is σ = 105505113144. Its totient is φ = 105505113142.

The previous prime is 105505113089. The next prime is 105505113151. The reversal of 105505113143 is 341311505501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105505113143 - 2⁶ = 105505113079 is a prime.

It is a super-2 number, since 2×105505113143² (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 (105505113173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52752556571 + 52752556572.

It is an arithmetic number, because the mean of its divisors is an integer number (52752556572).

Almost surely, 2^105505113143 is an apocalyptic number.

105505113143 is a deficient number, since it is larger than the sum of its proper divisors (1).

105505113143 is an equidigital number, since it uses as much as digits as its factorization.

105505113143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 105505113143 its reverse (341311505501), we get a palindrome (446816618644).

The spelling of 105505113143 in words is "one hundred five billion, five hundred five million, one hundred thirteen thousand, one hundred forty-three".