11911822803 has 12 divisors (see below), whose sum is σ = 18218082168. Its totient is φ = 7474084800.

The previous prime is 11911822789. The next prime is 11911822823. The reversal of 11911822803 is 30822811911.

It is a happy number.

It is not a de Polignac number, because 11911822803 - 2⁴ = 11911822787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11911822823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38927373 + ... + 38927678.

It is an arithmetic number, because the mean of its divisors is an integer number (1518173514).

Almost surely, 2^11911822803 is an apocalyptic number.

11911822803 is a deficient number, since it is larger than the sum of its proper divisors (6306259365).

11911822803 is a wasteful number, since it uses less digits than its factorization.

11911822803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77855074 (or 77855071 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The spelling of 11911822803 in words is "eleven billion, nine hundred eleven million, eight hundred twenty-two thousand, eight hundred three".