11993612297 has 2 divisors, whose sum is σ = 11993612298. Its totient is φ = 11993612296.

The previous prime is 11993612237. The next prime is 11993612329. The reversal of 11993612297 is 79221639911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9941884681 + 2051727616 = 99709^2 + 45296^2 .

It is a cyclic number.

It is not a de Polignac number, because 11993612297 - 2²⁴ = 11976835081 is a prime.

It is not a weakly prime, because it can be changed into another prime (11993612237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5996806148 + 5996806149.

It is an arithmetic number, because the mean of its divisors is an integer number (5996806149).

Almost surely, 2^11993612297 is an apocalyptic number.

It is an amenable number.

11993612297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11993612297 is an equidigital number, since it uses as much as digits as its factorization.

11993612297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 50.

The spelling of 11993612297 in words is "eleven billion, nine hundred ninety-three million, six hundred twelve thousand, two hundred ninety-seven".