11491258 has 4 divisors (see below), whose sum is σ = 17236890. Its totient is φ = 5745628.

The previous prime is 11491243. The next prime is 11491307. The reversal of 11491258 is 85219411.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 6215049 + 5276209 = 2493^2 + 2297^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2872813 + ... + 2872816.

Almost surely, 2^11491258 is an apocalyptic number.

11491258 is a deficient number, since it is larger than the sum of its proper divisors (5745632).

11491258 is an equidigital number, since it uses as much as digits as its factorization.

11491258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745631.

The product of its digits is 2880, while the sum is 31.

The square root of 11491258 is about 3389.8758089346. The cubic root of 11491258 is about 225.6606623289.

The spelling of 11491258 in words is "eleven million, four hundred ninety-one thousand, two hundred fifty-eight".