11947592203 has 2 divisors, whose sum is σ = 11947592204. Its totient is φ = 11947592202.

The previous prime is 11947592191. The next prime is 11947592227. The reversal of 11947592203 is 30229574911.

It is a weak prime.

It is an emirp because it is prime and its reverse (30229574911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11947592203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11947592203.

It is not a weakly prime, because it can be changed into another prime (11947592233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5973796101 + 5973796102.

It is an arithmetic number, because the mean of its divisors is an integer number (5973796102).

Almost surely, 2^11947592203 is an apocalyptic number.

11947592203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11947592203 is an equidigital number, since it uses as much as digits as its factorization.

11947592203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 11947592203 in words is "eleven billion, nine hundred forty-seven million, five hundred ninety-two thousand, two hundred three".