11542044 has 96 divisors (see below), whose sum is σ = 30965760. Its totient is φ = 3326400.

The previous prime is 11542043. The next prime is 11542049. The reversal of 11542044 is 44024511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11542044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162529 + ... + 162599.

It is an arithmetic number, because the mean of its divisors is an integer number (322560).

Almost surely, 2^11542044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11542044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15482880).

11542044 is an abundant number, since it is smaller than the sum of its proper divisors (19423716).

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

11542044 is a wasteful number, since it uses less digits than its factorization.

11542044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 11542044 is about 3397.3583855696. The cubic root of 11542044 is about 225.9926120748.

Adding to 11542044 its reverse (44024511), we get a palindrome (55566555).

The spelling of 11542044 in words is "eleven million, five hundred forty-two thousand, forty-four".