11834780619 has 4 divisors (see below), whose sum is σ = 15779707496. Its totient is φ = 7889853744.

The previous prime is 11834780611. The next prime is 11834780653. The reversal of 11834780619 is 91608743811.

11834780619 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 not a de Polignac number, because 11834780619 - 2³ = 11834780611 is a prime.

It is a super-2 number, since 2×11834780619² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11834780611) 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, 1972463434 + ... + 1972463439.

It is an arithmetic number, because the mean of its divisors is an integer number (3944926874).

Almost surely, 2^11834780619 is an apocalyptic number.

11834780619 is a deficient number, since it is larger than the sum of its proper divisors (3944926877).

11834780619 is an equidigital number, since it uses as much as digits as its factorization.

11834780619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944926876.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 11834780619 in words is "eleven billion, eight hundred thirty-four million, seven hundred eighty thousand, six hundred nineteen".