11993503297 has 2 divisors, whose sum is σ = 11993503298. Its totient is φ = 11993503296.

The previous prime is 11993503253. The next prime is 11993503331. The reversal of 11993503297 is 79230539911.

11993503297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9898061121 + 2095442176 = 99489^2 + 45776^2 .

It is a cyclic number.

It is not a de Polignac number, because 11993503297 - 2³¹ = 9846019649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11993503297.

It is not a weakly prime, because it can be changed into another prime (11993503097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5996751648 + 5996751649.

It is an arithmetic number, because the mean of its divisors is an integer number (5996751649).

Almost surely, 2^11993503297 is an apocalyptic number.

It is an amenable number.

11993503297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11993503297 is an equidigital number, since it uses as much as digits as its factorization.

11993503297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 459270, while the sum is 49.

The spelling of 11993503297 in words is "eleven billion, nine hundred ninety-three million, five hundred three thousand, two hundred ninety-seven".