11123685628 has 24 divisors (see below), whose sum is σ = 21257639424. Its totient is φ = 5051098800.

The previous prime is 11123685623. The next prime is 11123685649. The reversal of 11123685628 is 82658632111.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123685623) 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 7 ways as a sum of consecutive naturals, for example, 83950 + ... + 171157.

It is an arithmetic number, because the mean of its divisors is an integer number (885734976).

Almost surely, 2^11123685628 is an apocalyptic number.

It is an amenable number.

11123685628 is a deficient number, since it is larger than the sum of its proper divisors (10133953796).

11123685628 is a wasteful number, since it uses less digits than its factorization.

11123685628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256113 (or 256111 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The spelling of 11123685628 in words is "eleven billion, one hundred twenty-three million, six hundred eighty-five thousand, six hundred twenty-eight".