111545315143 has 2 divisors, whose sum is σ = 111545315144. Its totient is φ = 111545315142.

The previous prime is 111545315093. The next prime is 111545315201. The reversal of 111545315143 is 341513545111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111545315143 - 2⁹ = 111545314631 is a prime.

It is a super-2 number, since 2×111545315143² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111545315099 and 111545315108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111545315443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55772657571 + 55772657572.

It is an arithmetic number, because the mean of its divisors is an integer number (55772657572).

Almost surely, 2^111545315143 is an apocalyptic number.

111545315143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111545315143 is an equidigital number, since it uses as much as digits as its factorization.

111545315143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 34.

The spelling of 111545315143 in words is "one hundred eleven billion, five hundred forty-five million, three hundred fifteen thousand, one hundred forty-three".