11822808854 has 4 divisors (see below), whose sum is σ = 17734213284. Its totient is φ = 5911404426.

The previous prime is 11822808839. The next prime is 11822808863. The reversal of 11822808854 is 45880822811.

11822808854 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: 45880822811 = 79 ⋅580769909.

It is a junction number, because it is equal to n+sod(n) for n = 11822808799 and 11822808808.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2955702212 + ... + 2955702215.

It is an arithmetic number, because the mean of its divisors is an integer number (4433553321).

Almost surely, 2^11822808854 is an apocalyptic number.

11822808854 is a deficient number, since it is larger than the sum of its proper divisors (5911404430).

11822808854 is an equidigital number, since it uses as much as digits as its factorization.

11822808854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911404429.

The product of its (nonzero) digits is 327680, while the sum is 47.

The spelling of 11822808854 in words is "eleven billion, eight hundred twenty-two million, eight hundred eight thousand, eight hundred fifty-four".