11275513 has 4 divisors (see below), whose sum is σ = 11385088. Its totient is φ = 11165940.

The previous prime is 11275501. The next prime is 11275529. The reversal of 11275513 is 31557211.

11275513 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11275513 - 2⁹ = 11275001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11275213) 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, 54633 + ... + 54838.

It is an arithmetic number, because the mean of its divisors is an integer number (2846272).

Almost surely, 2^11275513 is an apocalyptic number.

It is an amenable number.

11275513 is a deficient number, since it is larger than the sum of its proper divisors (109575).

11275513 is a wasteful number, since it uses less digits than its factorization.

11275513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109574.

The product of its digits is 1050, while the sum is 25.

The square root of 11275513 is about 3357.9030659029. The cubic root of 11275513 is about 224.2394932660.

It can be divided in two parts, 112 and 75513, that added together give a square (75625 = 275²).

The spelling of 11275513 in words is "eleven million, two hundred seventy-five thousand, five hundred thirteen".