11522301340 has 192 divisors, whose sum is σ = 28287221760. Its totient is φ = 3902976000.

The previous prime is 11522301319. The next prime is 11522301341. The reversal of 11522301340 is 4310322511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522301341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24885949 + ... + 24886411.

It is an arithmetic number, because the mean of its divisors is an integer number (147329280).

Almost surely, 2^11522301340 is an apocalyptic number.

11522301340 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 11522301340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14143610880).

11522301340 is an abundant number, since it is smaller than the sum of its proper divisors (16764920420).

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

11522301340 is a wasteful number, since it uses less digits than its factorization.

11522301340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 11522301340 its reverse (4310322511), we get a palindrome (15832623851).

The spelling of 11522301340 in words is "eleven billion, five hundred twenty-two million, three hundred one thousand, three hundred forty".