11042988 has 48 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 3323200.

The previous prime is 11042987. The next prime is 11042989. The reversal of 11042988 is 88924011.

It is an interprime number because it is at equal distance from previous prime (11042987) and next prime (11042989).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (11042987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35353 + ... + 35663.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^11042988 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 11042988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14152320).

11042988 is an abundant number, since it is smaller than the sum of its proper divisors (17261652).

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

11042988 is a wasteful number, since it uses less digits than its factorization.

11042988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 11042988 is about 3323.0991559085. The cubic root of 11042988 is about 222.6873429511.

Adding to 11042988 its reverse (88924011), we get a palindrome (99966999).

The spelling of 11042988 in words is "eleven million, forty-two thousand, nine hundred eighty-eight".