11932782397 has 2 divisors, whose sum is σ = 11932782398. Its totient is φ = 11932782396.

The previous prime is 11932782383. The next prime is 11932782427. The reversal of 11932782397 is 79328723911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11456277156 + 476505241 = 107034^2 + 21829^2 .

It is an emirp because it is prime and its reverse (79328723911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11932782397 - 2⁷ = 11932782269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11932789397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5966391198 + 5966391199.

It is an arithmetic number, because the mean of its divisors is an integer number (5966391199).

Almost surely, 2^11932782397 is an apocalyptic number.

It is an amenable number.

11932782397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11932782397 is an equidigital number, since it uses as much as digits as its factorization.

11932782397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 52.

The spelling of 11932782397 in words is "eleven billion, nine hundred thirty-two million, seven hundred eighty-two thousand, three hundred ninety-seven".