11111005822 has 16 divisors (see below), whose sum is σ = 19512011232. Its totient is φ = 4645716480.

The previous prime is 11111005757. The next prime is 11111005879. The reversal of 11111005822 is 22850011111.

It is a junction number, because it is equal to n+sod(n) for n = 11111005793 and 11111005802.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9678003 + ... + 9679150.

It is an arithmetic number, because the mean of its divisors is an integer number (1219500702).

Almost surely, 2^11111005822 is an apocalyptic number.

11111005822 is a deficient number, since it is larger than the sum of its proper divisors (8401005410).

11111005822 is a wasteful number, since it uses less digits than its factorization.

11111005822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19357203.

The product of its (nonzero) digits is 160, while the sum is 22.

Adding to 11111005822 its reverse (22850011111), we get a palindrome (33961016933).

The spelling of 11111005822 in words is "eleven billion, one hundred eleven million, five thousand, eight hundred twenty-two".