11827389193 has 8 divisors (see below), whose sum is σ = 11974551336. Its totient is φ = 11680972800.

The previous prime is 11827389149. The next prime is 11827389221. The reversal of 11827389193 is 39198372811.

It can be written as a sum of positive squares in 4 ways, for example, as 2556010249 + 9271378944 = 50557^2 + 96288^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11827389193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11827389193.

It is not an unprimeable number, because it can be changed into a prime (11827384193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154488 + ... + 217993.

It is an arithmetic number, because the mean of its divisors is an integer number (1496818917).

Almost surely, 2^11827389193 is an apocalyptic number.

It is an amenable number.

11827389193 is a deficient number, since it is larger than the sum of its proper divisors (147162143).

11827389193 is a wasteful number, since it uses less digits than its factorization.

11827389193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372875.

The product of its digits is 653184, while the sum is 52.

The spelling of 11827389193 in words is "eleven billion, eight hundred twenty-seven million, three hundred eighty-nine thousand, one hundred ninety-three".