11275655 has 4 divisors (see below), whose sum is σ = 13530792. Its totient is φ = 9020520.

The previous prime is 11275651. The next prime is 11275657. The reversal of 11275655 is 55657211.

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

It is not a de Polignac number, because 11275655 - 2² = 11275651 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 (11275651) 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, 1127561 + ... + 1127570.

It is an arithmetic number, because the mean of its divisors is an integer number (3382698).

Almost surely, 2^11275655 is an apocalyptic number.

11275655 is a deficient number, since it is larger than the sum of its proper divisors (2255137).

11275655 is an equidigital number, since it uses as much as digits as its factorization.

11275655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255136.

The product of its digits is 10500, while the sum is 32.

The square root of 11275655 is about 3357.9242099845. The cubic root of 11275655 is about 224.2404345942.

The spelling of 11275655 in words is "eleven million, two hundred seventy-five thousand, six hundred fifty-five".