11422778859 has 6 divisors (see below), whose sum is σ = 16499569476. Its totient is φ = 7615185900.

The previous prime is 11422778849. The next prime is 11422778867. The reversal of 11422778859 is 95887722411.

It is not a de Polignac number, because 11422778859 - 2¹⁷ = 11422647787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11422778849) 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 5 ways as a sum of consecutive naturals, for example, 634598817 + ... + 634598834.

It is an arithmetic number, because the mean of its divisors is an integer number (2749928246).

Almost surely, 2^11422778859 is an apocalyptic number.

11422778859 is a deficient number, since it is larger than the sum of its proper divisors (5076790617).

11422778859 is a wasteful number, since it uses less digits than its factorization.

11422778859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269197657 (or 1269197654 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The spelling of 11422778859 in words is "eleven billion, four hundred twenty-two million, seven hundred seventy-eight thousand, eight hundred fifty-nine".