11315340 has 72 divisors (see below), whose sum is σ = 35271600. Its totient is φ = 2934144.

The previous prime is 11315327. The next prime is 11315347. The reversal of 11315340 is 4351311.

11315340 is a `hidden beast` number, since 1 + 131 + 534 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11315347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5811 + ... + 7509.

Almost surely, 2^11315340 is an apocalyptic number.

11315340 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 11315340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17635800).

11315340 is an abundant number, since it is smaller than the sum of its proper divisors (23956260).

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

11315340 is a wasteful number, since it uses less digits than its factorization.

11315340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1746 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 11315340 is about 3363.8281763491. The cubic root of 11315340 is about 224.5032001700.

Adding to 11315340 its reverse (4351311), we get a palindrome (15666651).

The spelling of 11315340 in words is "eleven million, three hundred fifteen thousand, three hundred forty".