11491053 has 32 divisors (see below), whose sum is σ = 18794496. Its totient is φ = 6101568.

The previous prime is 11491043. The next prime is 11491061. The reversal of 11491053 is 35019411.

It is not a de Polignac number, because 11491053 - 2⁴ = 11491037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11491013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17550 + ... + 18192.

It is an arithmetic number, because the mean of its divisors is an integer number (587328).

Almost surely, 2^11491053 is an apocalyptic number.

It is an amenable number.

11491053 is a deficient number, since it is larger than the sum of its proper divisors (7303443).

11491053 is a wasteful number, since it uses less digits than its factorization.

11491053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 11491053 is about 3389.8455717038. The cubic root of 11491053 is about 225.6593204187.

The spelling of 11491053 in words is "eleven million, four hundred ninety-one thousand, fifty-three".