11066251220 has 48 divisors (see below), whose sum is σ = 23657961600. Its totient is φ = 4346881920.

The previous prime is 11066251219. The next prime is 11066251249. The reversal of 11066251220 is 2215266011.

It is a self number, because there is not a number n which added to its sum of digits gives 11066251220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247561 + ... + 1256399.

It is an arithmetic number, because the mean of its divisors is an integer number (492874200).

Almost surely, 2^11066251220 is an apocalyptic number.

11066251220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11066251220 is an abundant number, since it is smaller than the sum of its proper divisors (12591710380).

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

11066251220 is a wasteful number, since it uses less digits than its factorization.

11066251220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9968 (or 9966 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 11066251220 in words is "eleven billion, sixty-six million, two hundred fifty-one thousand, two hundred twenty".