11231088 has 80 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 3351040.

The previous prime is 11231081. The next prime is 11231093. The reversal of 11231088 is 88013211.

It is a super-2 number, since 2×11231088² = 252274675327488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231081) 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, 46873 + ... + 47111.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^11231088 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 11231088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16070400).

11231088 is an abundant number, since it is smaller than the sum of its proper divisors (20909712).

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

11231088 is a wasteful number, since it uses less digits than its factorization.

11231088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 11231088 is about 3351.2815459164. The cubic root of 11231088 is about 223.9446079021.

Adding to 11231088 its reverse (88013211), we get a palindrome (99244299).

It can be divided in two parts, 1123 and 1088, that added together give a triangular number (2211 = T₆₆).

The spelling of 11231088 in words is "eleven million, two hundred thirty-one thousand, eighty-eight".