11137740 has 96 divisors (see below), whose sum is σ = 33324480. Its totient is φ = 2774016.

The previous prime is 11137739. The next prime is 11137747. The reversal of 11137740 is 4773111.

It is a self number, because there is not a number n which added to its sum of digits gives 11137740.

It is not an unprimeable number, because it can be changed into a prime (11137747) 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 31 ways as a sum of consecutive naturals, for example, 64294 + ... + 64466.

It is an arithmetic number, because the mean of its divisors is an integer number (347130).

Almost surely, 2^11137740 is an apocalyptic number.

11137740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11137740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16662240).

11137740 is an abundant number, since it is smaller than the sum of its proper divisors (22186740).

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

11137740 is a wasteful number, since it uses less digits than its factorization.

11137740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 11137740 is about 3337.3252763253. The cubic root of 11137740 is about 223.3224370318.

The spelling of 11137740 in words is "eleven million, one hundred thirty-seven thousand, seven hundred forty".