11381058 has 48 divisors (see below), whose sum is σ = 28127736. Its totient is φ = 3294720.

The previous prime is 11381039. The next prime is 11381059. The reversal of 11381058 is 85018311.

It can be written as a sum of positive squares in 4 ways, for example, as 9566649 + 1814409 = 3093^2 + 1347^2 .

It is not an unprimeable number, because it can be changed into a prime (11381059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2548 + ... + 5408.

Almost surely, 2^11381058 is an apocalyptic number.

11381058 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 11381058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14063868).

11381058 is an abundant number, since it is smaller than the sum of its proper divisors (16746678).

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

11381058 is a wasteful number, since it uses less digits than its factorization.

11381058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899 (or 2896 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 11381058 is about 3373.5823689366. The cubic root of 11381058 is about 224.9369897633.

Adding to 11381058 its reverse (85018311), we get a palindrome (96399369).

The spelling of 11381058 in words is "eleven million, three hundred eighty-one thousand, fifty-eight".