11882557399 has 4 divisors (see below), whose sum is σ = 11903151664. Its totient is φ = 11861963136.

The previous prime is 11882557397. The next prime is 11882557447. The reversal of 11882557399 is 99375528811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11882557399 - 2¹ = 11882557397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11882557397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10296267 + ... + 10297420.

It is an arithmetic number, because the mean of its divisors is an integer number (2975787916).

Almost surely, 2^11882557399 is an apocalyptic number.

11882557399 is a deficient number, since it is larger than the sum of its proper divisors (20594265).

11882557399 is an equidigital number, since it uses as much as digits as its factorization.

11882557399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20594264.

The product of its digits is 5443200, while the sum is 58.

The spelling of 11882557399 in words is "eleven billion, eight hundred eighty-two million, five hundred fifty-seven thousand, three hundred ninety-nine".