11945372826 has 16 divisors (see below), whose sum is σ = 24062623200. Its totient is φ = 3953144688.

The previous prime is 11945372819. The next prime is 11945372863. The reversal of 11945372826 is 62827354911.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7160661 + ... + 7162328.

It is an arithmetic number, because the mean of its divisors is an integer number (1503913950).

Almost surely, 2^11945372826 is an apocalyptic number.

11945372826 is an abundant number, since it is smaller than the sum of its proper divisors (12117250374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11945372826 is a wasteful number, since it uses less digits than its factorization.

11945372826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14323133.

The product of its digits is 725760, while the sum is 48.

The spelling of 11945372826 in words is "eleven billion, nine hundred forty-five million, three hundred seventy-two thousand, eight hundred twenty-six".