11275577 has 4 divisors (see below), whose sum is σ = 11664420. Its totient is φ = 10886736.

The previous prime is 11275567. The next prime is 11275597. The reversal of 11275577 is 77557211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8549776 + 2725801 = 2924^2 + 1651^2 .

It is a cyclic number.

It is not a de Polignac number, because 11275577 - 2¹⁶ = 11210041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11275547) 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 3 ways as a sum of consecutive naturals, for example, 194378 + ... + 194435.

It is an arithmetic number, because the mean of its divisors is an integer number (2916105).

Almost surely, 2^11275577 is an apocalyptic number.

It is an amenable number.

11275577 is a deficient number, since it is larger than the sum of its proper divisors (388843).

11275577 is an equidigital number, since it uses as much as digits as its factorization.

11275577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388842.

The product of its digits is 17150, while the sum is 35.

The square root of 11275577 is about 3357.9125956463. The cubic root of 11275577 is about 224.2399175276.

The spelling of 11275577 in words is "eleven million, two hundred seventy-five thousand, five hundred seventy-seven".