11385493279 has 2 divisors, whose sum is σ = 11385493280. Its totient is φ = 11385493278.

The previous prime is 11385493277. The next prime is 11385493381. The reversal of 11385493279 is 97239458311.

It is a weak prime.

It is an emirp because it is prime and its reverse (97239458311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11385493279 - 2¹ = 11385493277 is a prime.

Together with 11385493277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11385493277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5692746639 + 5692746640.

It is an arithmetic number, because the mean of its divisors is an integer number (5692746640).

Almost surely, 2^11385493279 is an apocalyptic number.

11385493279 is a deficient number, since it is larger than the sum of its proper divisors (1).

11385493279 is an equidigital number, since it uses as much as digits as its factorization.

11385493279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The spelling of 11385493279 in words is "eleven billion, three hundred eighty-five million, four hundred ninety-three thousand, two hundred seventy-nine".