11800729903 has 2 divisors, whose sum is σ = 11800729904. Its totient is φ = 11800729902.

The previous prime is 11800729867. The next prime is 11800729907. The reversal of 11800729903 is 30992700811.

It is a strong prime.

It is an emirp because it is prime and its reverse (30992700811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11800729903 - 2²¹ = 11798632751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11800729907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5900364951 + 5900364952.

It is an arithmetic number, because the mean of its divisors is an integer number (5900364952).

Almost surely, 2^11800729903 is an apocalyptic number.

11800729903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11800729903 is an equidigital number, since it uses as much as digits as its factorization.

11800729903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 11800729903 in words is "eleven billion, eight hundred million, seven hundred twenty-nine thousand, nine hundred three".