10838993811 has 4 divisors (see below), whose sum is σ = 14451991752. Its totient is φ = 7225995872.

The previous prime is 10838993797. The next prime is 10838993813. The reversal of 10838993811 is 11839983801.

10838993811 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, and also an emirpimes, since its reverse is a distinct semiprime: 11839983801 = 3 ⋅3946661267.

It is a cyclic number.

It is not a de Polignac number, because 10838993811 - 2⁵ = 10838993779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10838993813) 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, 1806498966 + ... + 1806498971.

It is an arithmetic number, because the mean of its divisors is an integer number (3612997938).

Almost surely, 2^10838993811 is an apocalyptic number.

10838993811 is a deficient number, since it is larger than the sum of its proper divisors (3612997941).

10838993811 is an equidigital number, since it uses as much as digits as its factorization.

10838993811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612997940.

The product of its (nonzero) digits is 373248, while the sum is 51.

The spelling of 10838993811 in words is "ten billion, eight hundred thirty-eight million, nine hundred ninety-three thousand, eight hundred eleven".