11320303422540 has 144 divisors (see below), whose sum is σ = 36898027740000. Its totient is φ = 2585660571648.

The previous prime is 11320303422523. The next prime is 11320303422541. The reversal of 11320303422540 is 4522430302311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11320303422498 and 11320303422507.

It is not an unprimeable number, because it can be changed into a prime (11320303422541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2776086 + ... + 5508834.

It is an arithmetic number, because the mean of its divisors is an integer number (256236303750).

Almost surely, 2^{11320303422540} is an apocalyptic number.

11320303422540 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 11320303422540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18449013870000).

11320303422540 is an abundant number, since it is smaller than the sum of its proper divisors (25577724317460).

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

11320303422540 is a wasteful number, since it uses less digits than its factorization.

11320303422540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734184 (or 2734175 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 11320303422540 its reverse (4522430302311), we get a palindrome (15842733724851).

The spelling of 11320303422540 in words is "eleven trillion, three hundred twenty billion, three hundred three million, four hundred twenty-two thousand, five hundred forty".