11520504241445 has 16 divisors (see below), whose sum is σ = 14649845072688. Its totient is φ = 8667134361600.

The previous prime is 11520504241429. The next prime is 11520504241469. The reversal of 11520504241445 is 54414240502511.

It can be written as a sum of positive squares in 8 ways, for example, as 209611971556 + 11310892269889 = 457834^2 + 3363167^2 .

It is not a de Polignac number, because 11520504241445 - 2⁴ = 11520504241429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11520504241399 and 11520504241408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55580756 + ... + 55787645.

It is an arithmetic number, because the mean of its divisors is an integer number (915615317043).

Almost surely, 2^{11520504241445} is an apocalyptic number.

It is an amenable number.

11520504241445 is a deficient number, since it is larger than the sum of its proper divisors (3129340831243).

11520504241445 is a wasteful number, since it uses less digits than its factorization.

11520504241445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111369640.

The product of its (nonzero) digits is 128000, while the sum is 38.

Adding to 11520504241445 its reverse (54414240502511), we get a palindrome (65934744743956).

The spelling of 11520504241445 in words is "eleven trillion, five hundred twenty billion, five hundred four million, two hundred forty-one thousand, four hundred forty-five".