11122861250 has 90 divisors (see below), whose sum is σ = 22144787181. Its totient is φ = 4188132000.

The previous prime is 11122861237. The next prime is 11122861261. The reversal of 11122861250 is 5216822111.

11122861250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2529385849 + 8593475401 = 50293^2 + 92701^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=74575.

It is a Duffinian number.

It is a Curzon 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 in 44 ways as a sum of consecutive naturals, for example, 70846172 + ... + 70846328.

Almost surely, 2^11122861250 is an apocalyptic number.

11122861250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11122861250 is a deficient number, since it is larger than the sum of its proper divisors (11021925931).

11122861250 is an frugal number, since it uses more digits than its factorization.

11122861250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The spelling of 11122861250 in words is "eleven billion, one hundred twenty-two million, eight hundred sixty-one thousand, two hundred fifty".