11508042 has 48 divisors (see below), whose sum is σ = 28842912. Its totient is φ = 3034080.

The previous prime is 11508017. The next prime is 11508043. The reversal of 11508042 is 24080511.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11508043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2317 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (600894).

Almost surely, 2^11508042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11508042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14421456).

11508042 is an abundant number, since it is smaller than the sum of its proper divisors (17334870).

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

11508042 is a wasteful number, since it uses less digits than its factorization.

11508042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043 (or 3036 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 11508042 is about 3392.3505125503. The cubic root of 11508042 is about 225.7704746768.

Adding to 11508042 its reverse (24080511), we get a palindrome (35588553).

The spelling of 11508042 in words is "eleven million, five hundred eight thousand, forty-two".