11259280 has 20 divisors (see below), whose sum is σ = 26178012. Its totient is φ = 4503680.

The previous prime is 11259277. The next prime is 11259323. The reversal of 11259280 is 8295211.

11259280 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 2 ways, for example, as 4787344 + 6471936 = 2188^2 + 2544^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×11259280² = 253542772236800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70291 + ... + 70450.

Almost surely, 2^11259280 is an apocalyptic number.

11259280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11259280 is an abundant number, since it is smaller than the sum of its proper divisors (14918732).

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

11259280 is a wasteful number, since it uses less digits than its factorization.

11259280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140754 (or 140748 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 11259280 is about 3355.4850618055. The cubic root of 11259280 is about 224.1318314112.

The spelling of 11259280 in words is "eleven million, two hundred fifty-nine thousand, two hundred eighty".