11800043963 has 2 divisors, whose sum is σ = 11800043964. Its totient is φ = 11800043962.

The previous prime is 11800043929. The next prime is 11800043977. The reversal of 11800043963 is 36934000811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11800043963 is a prime.

It is not a weakly prime, because it can be changed into another prime (11800043903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5900021981 + 5900021982.

It is an arithmetic number, because the mean of its divisors is an integer number (5900021982).

Almost surely, 2^11800043963 is an apocalyptic number.

11800043963 is a deficient number, since it is larger than the sum of its proper divisors (1).

11800043963 is an equidigital number, since it uses as much as digits as its factorization.

11800043963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 11800043963 in words is "eleven billion, eight hundred million, forty-three thousand, nine hundred sixty-three".