11255516280 has 48 divisors (see below), whose sum is σ = 36580429080. Its totient is φ = 3001470912.

The previous prime is 11255516273. The next prime is 11255516303. The reversal of 11255516280 is 8261555211.

11255516280 is a `hidden beast` number, since 1 + 1 + 25 + 5 + 5 + 1 + 628 + 0 = 666.

11255516280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 15632302 + ... + 15633021.

Almost surely, 2^11255516280 is an apocalyptic number.

11255516280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11255516280 is an abundant number, since it is smaller than the sum of its proper divisors (25324912800).

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

11255516280 is a wasteful number, since it uses less digits than its factorization.

11255516280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31265340 (or 31265333 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

The spelling of 11255516280 in words is "eleven billion, two hundred fifty-five million, five hundred sixteen thousand, two hundred eighty".