111294905143 has 2 divisors, whose sum is σ = 111294905144. Its totient is φ = 111294905142.

The previous prime is 111294905119. The next prime is 111294905149. The reversal of 111294905143 is 341509492111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111294905143 is a prime.

It is a super-4 number, since 4×111294905143⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111294905096 and 111294905105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111294905149) 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, 55647452571 + 55647452572.

It is an arithmetic number, because the mean of its divisors is an integer number (55647452572).

Almost surely, 2^111294905143 is an apocalyptic number.

111294905143 is a deficient number, since it is larger than the sum of its proper divisors (1).

111294905143 is an equidigital number, since it uses as much as digits as its factorization.

111294905143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 111294905143 in words is "one hundred eleven billion, two hundred ninety-four million, nine hundred five thousand, one hundred forty-three".