11564503141344 has 24 divisors (see below), whose sum is σ = 30356820746280. Its totient is φ = 3854834380416.

The previous prime is 11564503141319. The next prime is 11564503141363. The reversal of 11564503141344 is 44314130546511.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 11564503141296 and 11564503141305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60231787099 + ... + 60231787290.

It is an arithmetic number, because the mean of its divisors is an integer number (1264867531095).

Almost surely, 2^{11564503141344} is an apocalyptic number.

It is an amenable number.

11564503141344 is an abundant number, since it is smaller than the sum of its proper divisors (18792317604936).

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

11564503141344 is a wasteful number, since it uses less digits than its factorization.

11564503141344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120463574402 (or 120463574394 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 11564503141344 its reverse (44314130546511), we get a palindrome (55878633687855).

The spelling of 11564503141344 in words is "eleven trillion, five hundred sixty-four billion, five hundred three million, one hundred forty-one thousand, three hundred forty-four".