11818858943 has 2 divisors, whose sum is σ = 11818858944. Its totient is φ = 11818858942.

The previous prime is 11818858897. The next prime is 11818858951. The reversal of 11818858943 is 34985881811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11818858943 - 2⁸ = 11818858687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11818858993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5909429471 + 5909429472.

It is an arithmetic number, because the mean of its divisors is an integer number (5909429472).

Almost surely, 2^11818858943 is an apocalyptic number.

11818858943 is a deficient number, since it is larger than the sum of its proper divisors (1).

11818858943 is an equidigital number, since it uses as much as digits as its factorization.

11818858943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2211840, while the sum is 56.

The spelling of 11818858943 in words is "eleven billion, eight hundred eighteen million, eight hundred fifty-eight thousand, nine hundred forty-three".