11275115 has 4 divisors (see below), whose sum is σ = 13530144. Its totient is φ = 9020088.

The previous prime is 11275111. The next prime is 11275127. The reversal of 11275115 is 51157211.

11275115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51157211 = 7 ⋅7308173.

It is a cyclic number.

It is not a de Polignac number, because 11275115 - 2² = 11275111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11275111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127507 + ... + 1127516.

It is an arithmetic number, because the mean of its divisors is an integer number (3382536).

Almost surely, 2^11275115 is an apocalyptic number.

11275115 is a deficient number, since it is larger than the sum of its proper divisors (2255029).

11275115 is an equidigital number, since it uses as much as digits as its factorization.

11275115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255028.

The product of its digits is 350, while the sum is 23.

The square root of 11275115 is about 3357.8438022040. The cubic root of 11275115 is about 224.2368548533.

The spelling of 11275115 in words is "eleven million, two hundred seventy-five thousand, one hundred fifteen".