11491059 has 8 divisors (see below), whose sum is σ = 15343552. Its totient is φ = 7649640.

The previous prime is 11491043. The next prime is 11491061. The reversal of 11491059 is 95019411.

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

It is not a de Polignac number, because 11491059 - 2⁴ = 11491043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11491009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72 + ... + 4794.

It is an arithmetic number, because the mean of its divisors is an integer number (1917944).

Almost surely, 2^11491059 is an apocalyptic number.

11491059 is a deficient number, since it is larger than the sum of its proper divisors (3852493).

11491059 is an equidigital number, since it uses as much as digits as its factorization.

11491059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 11491059 is about 3389.8464566998. The cubic root of 11491059 is about 225.6593596943.

The spelling of 11491059 in words is "eleven million, four hundred ninety-one thousand, fifty-nine".