11835983387 has 4 divisors (see below), whose sum is σ = 11836280976. Its totient is φ = 11835685800.

The previous prime is 11835983371. The next prime is 11835983399. The reversal of 11835983387 is 78338953811.

It is a happy number.

11835983387 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.

It is a cyclic number.

It is not a de Polignac number, because 11835983387 - 2⁴ = 11835983371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11835983587) 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, 77864 + ... + 172437.

It is an arithmetic number, because the mean of its divisors is an integer number (2959070244).

Almost surely, 2^11835983387 is an apocalyptic number.

11835983387 is a deficient number, since it is larger than the sum of its proper divisors (297589).

11835983387 is an equidigital number, since it uses as much as digits as its factorization.

11835983387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297588.

The product of its digits is 4354560, while the sum is 56.

The spelling of 11835983387 in words is "eleven billion, eight hundred thirty-five million, nine hundred eighty-three thousand, three hundred eighty-seven".