11518982203 has 2 divisors, whose sum is σ = 11518982204. Its totient is φ = 11518982202.

The previous prime is 11518982159. The next prime is 11518982231. The reversal of 11518982203 is 30228981511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11518982203 is a prime.

It is not a weakly prime, because it can be changed into another prime (11518982273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5759491101 + 5759491102.

It is an arithmetic number, because the mean of its divisors is an integer number (5759491102).

Almost surely, 2^11518982203 is an apocalyptic number.

11518982203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11518982203 is an equidigital number, since it uses as much as digits as its factorization.

11518982203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 11518982203 in words is "eleven billion, five hundred eighteen million, nine hundred eighty-two thousand, two hundred three".