11807183121 has 4 divisors (see below), whose sum is σ = 15742910832. Its totient is φ = 7871455412.

The previous prime is 11807183107. The next prime is 11807183149. The reversal of 11807183121 is 12138170811.

11807183121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11807183121 - 2⁹ = 11807182609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11807183021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967863851 + ... + 1967863856.

It is an arithmetic number, because the mean of its divisors is an integer number (3935727708).

Almost surely, 2^11807183121 is an apocalyptic number.

It is an amenable number.

11807183121 is a deficient number, since it is larger than the sum of its proper divisors (3935727711).

11807183121 is an equidigital number, since it uses as much as digits as its factorization.

11807183121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935727710.

The product of its (nonzero) digits is 2688, while the sum is 33.

The spelling of 11807183121 in words is "eleven billion, eight hundred seven million, one hundred eighty-three thousand, one hundred twenty-one".