11138088 has 64 divisors (see below), whose sum is σ = 31046400. Its totient is φ = 3306240.

The previous prime is 11138087. The next prime is 11138093. The reversal of 11138088 is 88083111.

It is not an unprimeable number, because it can be changed into a prime (11138087) 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 15 ways as a sum of consecutive naturals, for example, 8433 + ... + 9663.

It is an arithmetic number, because the mean of its divisors is an integer number (485100).

Almost surely, 2^11138088 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 11138088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15523200).

11138088 is an abundant number, since it is smaller than the sum of its proper divisors (19908312).

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

11138088 is a wasteful number, since it uses less digits than its factorization.

11138088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 11138088 is about 3337.3774134790. The cubic root of 11138088 is about 223.3247629195.

The spelling of 11138088 in words is "eleven million, one hundred thirty-eight thousand, eighty-eight".