11278925 has 12 divisors (see below), whose sum is σ = 15984096. Its totient is φ = 7734000.

The previous prime is 11278921. The next prime is 11278933. The reversal of 11278925 is 52987211.

It is not a de Polignac number, because 11278925 - 2² = 11278921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11278921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32051 + ... + 32400.

It is an arithmetic number, because the mean of its divisors is an integer number (1332008).

Almost surely, 2^11278925 is an apocalyptic number.

It is an amenable number.

11278925 is a deficient number, since it is larger than the sum of its proper divisors (4705171).

11278925 is an equidigital number, since it uses as much as digits as its factorization.

11278925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64468 (or 64463 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 11278925 is about 3358.4110826401. The cubic root of 11278925 is about 224.2621094724.

The spelling of 11278925 in words is "eleven million, two hundred seventy-eight thousand, nine hundred twenty-five".