11378766239 has 2 divisors, whose sum is σ = 11378766240. Its totient is φ = 11378766238.

The previous prime is 11378766209. The next prime is 11378766389. The reversal of 11378766239 is 93266787311.

It is a weak prime.

It is an emirp because it is prime and its reverse (93266787311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11378766239 is a prime.

It is a super-2 number, since 2×11378766239² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11378766209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5689383119 + 5689383120.

It is an arithmetic number, because the mean of its divisors is an integer number (5689383120).

Almost surely, 2^11378766239 is an apocalyptic number.

11378766239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11378766239 is an equidigital number, since it uses as much as digits as its factorization.

11378766239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 53.

The spelling of 11378766239 in words is "eleven billion, three hundred seventy-eight million, seven hundred sixty-six thousand, two hundred thirty-nine".