11275491 has 8 divisors (see below), whose sum is σ = 15440464. Its totient is φ = 7313760.

The previous prime is 11275487. The next prime is 11275501. The reversal of 11275491 is 19457211.

11275491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11275491 - 2² = 11275487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11275421) 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 7 ways as a sum of consecutive naturals, for example, 50680 + ... + 50901.

It is an arithmetic number, because the mean of its divisors is an integer number (1930058).

Almost surely, 2^11275491 is an apocalyptic number.

11275491 is a deficient number, since it is larger than the sum of its proper divisors (4164973).

11275491 is a wasteful number, since it uses less digits than its factorization.

11275491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101621.

The product of its digits is 2520, while the sum is 30.

The square root of 11275491 is about 3357.8997900473. The cubic root of 11275491 is about 224.2393474257.

The spelling of 11275491 in words is "eleven million, two hundred seventy-five thousand, four hundred ninety-one".