1105343999 has 2 divisors, whose sum is σ = 1105344000. Its totient is φ = 1105343998.

The previous prime is 1105343933. The next prime is 1105344001. The reversal of 1105343999 is 9993435011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105343999 - 2¹² = 1105339903 is a prime.

It is a super-2 number, since 2×1105343999² = 2443570712250624002, which contains 22 as substring.

Together with 1105344001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105343299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552671999 + 552672000.

It is an arithmetic number, because the mean of its divisors is an integer number (552672000).

Almost surely, 2^1105343999 is an apocalyptic number.

1105343999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105343999 is an equidigital number, since it uses as much as digits as its factorization.

1105343999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 1105343999 is about 33246.7141083145. The cubic root of 1105343999 is about 1033.9490835008.

The spelling of 1105343999 in words is "one billion, one hundred five million, three hundred forty-three thousand, nine hundred ninety-nine".