11280925 has 18 divisors (see below), whose sum is σ = 14640122. Its totient is φ = 8622240.

The previous prime is 11280883. The next prime is 11280937. The reversal of 11280925 is 52908211.

It can be written as a sum of positive squares in 3 ways, for example, as 4761 + 11276164 = 69^2 + 3358^2 .

It is not a de Polignac number, because 11280925 - 2⁹ = 11280413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11280893 and 11280902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12799 + ... + 13651.

Almost surely, 2^11280925 is an apocalyptic number.

It is an amenable number.

11280925 is a deficient number, since it is larger than the sum of its proper divisors (3359197).

11280925 is an equidigital number, since it uses as much as digits as its factorization.

11280925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 881 counting only the distinct ones).

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

The square root of 11280925 is about 3358.7088292974. The cubic root of 11280925 is about 224.2753642141.

The spelling of 11280925 in words is "eleven million, two hundred eighty thousand, nine hundred twenty-five".