11275615 has 16 divisors (see below), whose sum is σ = 14930496. Its totient is φ = 8121600.

The previous prime is 11275613. The next prime is 11275619. The reversal of 11275615 is 51657211.

11275615 = 860² + 861² + ... + 874².

11275615 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11275615 - 2¹ = 11275613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11275613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550 + ... + 4780.

It is an arithmetic number, because the mean of its divisors is an integer number (933156).

Almost surely, 2^11275615 is an apocalyptic number.

11275615 is a deficient number, since it is larger than the sum of its proper divisors (3654881).

11275615 is a wasteful number, since it uses less digits than its factorization.

11275615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290.

The product of its digits is 2100, while the sum is 28.

The square root of 11275615 is about 3357.9182539186. The cubic root of 11275615 is about 224.2401694321.

The spelling of 11275615 in words is "eleven million, two hundred seventy-five thousand, six hundred fifteen".