11280895 has 4 divisors (see below), whose sum is σ = 13537080. Its totient is φ = 9024712.

The previous prime is 11280883. The next prime is 11280937. The reversal of 11280895 is 59808211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11280895 - 2⁷ = 11280767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11280895.

It is a congruent number.

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, 1128085 + ... + 1128094.

It is an arithmetic number, because the mean of its divisors is an integer number (3384270).

Almost surely, 2^11280895 is an apocalyptic number.

11280895 is a deficient number, since it is larger than the sum of its proper divisors (2256185).

11280895 is an equidigital number, since it uses as much as digits as its factorization.

11280895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256184.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 11280895 is about 3358.7043632925. The cubic root of 11280895 is about 224.2751654045.

The spelling of 11280895 in words is "eleven million, two hundred eighty thousand, eight hundred ninety-five".