11148858 has 48 divisors (see below), whose sum is σ = 29065920. Its totient is φ = 3017088.

The previous prime is 11148853. The next prime is 11148881. The reversal of 11148858 is 85884111.

It is a happy number.

11148858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11148853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66 + ... + 4722.

It is an arithmetic number, because the mean of its divisors is an integer number (605540).

Almost surely, 2^11148858 is an apocalyptic number.

11148858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11148858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14532960).

11148858 is an abundant number, since it is smaller than the sum of its proper divisors (17917062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11148858 is a wasteful number, since it uses less digits than its factorization.

11148858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691 (or 4688 counting only the distinct ones).

The product of its digits is 10240, while the sum is 36.

The square root of 11148858 is about 3338.9905660244. The cubic root of 11148858 is about 223.3967211968.

The spelling of 11148858 in words is "eleven million, one hundred forty-eight thousand, eight hundred fifty-eight".