11291953 has 4 divisors (see below), whose sum is σ = 11302768. Its totient is φ = 11281140.

The previous prime is 11291941. The next prime is 11291957. The reversal of 11291953 is 35919211.

It is a happy number.

11291953 is digitally balanced in base 3, 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11291953 - 2⁵ = 11291921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11291957) 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, 3651 + ... + 5992.

It is an arithmetic number, because the mean of its divisors is an integer number (2825692).

Almost surely, 2^11291953 is an apocalyptic number.

It is an amenable number.

11291953 is a deficient number, since it is larger than the sum of its proper divisors (10815).

11291953 is an equidigital number, since it uses as much as digits as its factorization.

11291953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10814.

The product of its digits is 2430, while the sum is 31.

The square root of 11291953 is about 3360.3501305668. The cubic root of 11291953 is about 224.3484227385.

The spelling of 11291953 in words is "eleven million, two hundred ninety-one thousand, nine hundred fifty-three".