11873837811 has 24 divisors (see below), whose sum is σ = 17423819280. Its totient is φ = 7187192320.

The previous prime is 11873837797. The next prime is 11873837939.

11873837811 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11873837811 - 2²² = 11869643507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11873837711) 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, 273451 + ... + 313883.

It is an arithmetic number, because the mean of its divisors is an integer number (725992470).

Almost surely, 2^11873837811 is an apocalyptic number.

11873837811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11873837811 is a deficient number, since it is larger than the sum of its proper divisors (5549981469).

11873837811 is a wasteful number, since it uses less digits than its factorization.

11873837811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41267 (or 41256 counting only the distinct ones).

The product of its digits is 225792, while the sum is 48.

The spelling of 11873837811 in words is "eleven billion, eight hundred seventy-three million, eight hundred thirty-seven thousand, eight hundred eleven".