11111100099943 has 2 divisors, whose sum is σ = 11111100099944. Its totient is φ = 11111100099942.

The previous prime is 11111100099941. The next prime is 11111100100019. The reversal of 11111100099943 is 34999000111111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111100099943 - 2¹ = 11111100099941 is a prime.

Together with 11111100099941, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11111100099896 and 11111100099905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111100099941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555550049971 + 5555550049972.

It is an arithmetic number, because the mean of its divisors is an integer number (5555550049972).

Almost surely, 2^{11111100099943} is an apocalyptic number.

11111100099943 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111100099943 is an equidigital number, since it uses as much as digits as its factorization.

11111100099943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 40.

The spelling of 11111100099943 in words is "eleven trillion, one hundred eleven billion, one hundred million, ninety-nine thousand, nine hundred forty-three".