11820741834 has 16 divisors (see below), whose sum is σ = 25790709600. Its totient is φ = 3582042960.

The previous prime is 11820741811. The next prime is 11820741859. The reversal of 11820741834 is 43814702811.

It is a junction number, because it is equal to n+sod(n) for n = 11820741792 and 11820741801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89551009 + ... + 89551140.

It is an arithmetic number, because the mean of its divisors is an integer number (1611919350).

Almost surely, 2^11820741834 is an apocalyptic number.

11820741834 is an abundant number, since it is smaller than the sum of its proper divisors (13969967766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11820741834 is a wasteful number, since it uses less digits than its factorization.

11820741834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179102165.

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 11820741834 in words is "eleven billion, eight hundred twenty million, seven hundred forty-one thousand, eight hundred thirty-four".