11836804147 has 4 divisors (see below), whose sum is σ = 13527776176. Its totient is φ = 10145832120.

The previous prime is 11836804123. The next prime is 11836804153. The reversal of 11836804147 is 74140863811.

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 11836804147 - 2²³ = 11828415539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11836804117) 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, 845486004 + ... + 845486017.

It is an arithmetic number, because the mean of its divisors is an integer number (3381944044).

Almost surely, 2^11836804147 is an apocalyptic number.

11836804147 is a deficient number, since it is larger than the sum of its proper divisors (1690972029).

11836804147 is an equidigital number, since it uses as much as digits as its factorization.

11836804147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690972028.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 11836804147 in words is "eleven billion, eight hundred thirty-six million, eight hundred four thousand, one hundred forty-seven".