11873001180821 has 24 divisors (see below), whose sum is σ = 13474128928512. Its totient is φ = 10443395793600.

The previous prime is 11873001180793. The next prime is 11873001180841. The reversal of 11873001180821 is 12808110037811.

It is not a de Polignac number, because 11873001180821 - 2⁶ = 11873001180757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11873001180841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18869330 + ... + 19488396.

It is an arithmetic number, because the mean of its divisors is an integer number (561422038688).

Almost surely, 2^{11873001180821} is an apocalyptic number.

11873001180821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11873001180821 is a deficient number, since it is larger than the sum of its proper divisors (1601127747691).

11873001180821 is a wasteful number, since it uses less digits than its factorization.

11873001180821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624233 (or 624222 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 41.

The spelling of 11873001180821 in words is "eleven trillion, eight hundred seventy-three billion, one million, one hundred eighty thousand, eight hundred twenty-one".