11231258 has 4 divisors (see below), whose sum is σ = 16846890. Its totient is φ = 5615628.

The previous prime is 11231257. The next prime is 11231267. The reversal of 11231258 is 85213211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85213211 = 41 ⋅2078371.

It can be written as a sum of positive squares in only one way, i.e., 9223369 + 2007889 = 3037^2 + 1417^2 .

It is a super-2 number, since 2×11231258² = 252282312525128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807813 + ... + 2807816.

Almost surely, 2^11231258 is an apocalyptic number.

11231258 is a deficient number, since it is larger than the sum of its proper divisors (5615632).

11231258 is an equidigital number, since it uses as much as digits as its factorization.

11231258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615631.

The product of its digits is 480, while the sum is 23.

The square root of 11231258 is about 3351.3069092520. The cubic root of 11231258 is about 223.9457378131.

Adding to 11231258 its reverse (85213211), we get a palindrome (96444469).

The spelling of 11231258 in words is "eleven million, two hundred thirty-one thousand, two hundred fifty-eight".