11520322344145 has 16 divisors (see below), whose sum is σ = 14553433702080. Its totient is φ = 8730323121600.

The previous prime is 11520322344077. The next prime is 11520322344149. The reversal of 11520322344145 is 54144322302511.

It is not a de Polignac number, because 11520322344145 - 2¹¹ = 11520322342097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11520322344149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5070771 + ... + 6982360.

It is an arithmetic number, because the mean of its divisors is an integer number (909589606380).

Almost surely, 2^{11520322344145} is an apocalyptic number.

It is an amenable number.

11520322344145 is a deficient number, since it is larger than the sum of its proper divisors (3033111357935).

11520322344145 is a wasteful number, since it uses less digits than its factorization.

11520322344145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12063216.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 11520322344145 its reverse (54144322302511), we get a palindrome (65664644646656).

The spelling of 11520322344145 in words is "eleven trillion, five hundred twenty billion, three hundred twenty-two million, three hundred forty-four thousand, one hundred forty-five".