11389639795 has 4 divisors (see below), whose sum is σ = 13667567760. Its totient is φ = 9111711832.

The previous prime is 11389639783. The next prime is 11389639823. The reversal of 11389639795 is 59793698311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59793698311 = 53 ⋅1128182987.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11389639795 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138963975 + ... + 1138963984.

It is an arithmetic number, because the mean of its divisors is an integer number (3416891940).

Almost surely, 2^11389639795 is an apocalyptic number.

11389639795 is a deficient number, since it is larger than the sum of its proper divisors (2277927965).

11389639795 is an equidigital number, since it uses as much as digits as its factorization.

11389639795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277927964.

The product of its digits is 11022480, while the sum is 61.

The spelling of 11389639795 in words is "eleven billion, three hundred eighty-nine million, six hundred thirty-nine thousand, seven hundred ninety-five".