11520644031436 has 12 divisors (see below), whose sum is σ = 20161154130040. Its totient is φ = 5760314280000.

The previous prime is 11520644031433. The next prime is 11520644031487. The reversal of 11520644031436 is 63413044602511.

It is not an unprimeable number, because it can be changed into a prime (11520644031431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2595811 + ... + 5457061.

Almost surely, 2^{11520644031436} is an apocalyptic number.

It is an amenable number.

11520644031436 is a deficient number, since it is larger than the sum of its proper divisors (8640510098604).

11520644031436 is a wasteful number, since it uses less digits than its factorization.

11520644031436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867864 (or 3867862 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 11520644031436 its reverse (63413044602511), we get a palindrome (74933688633947).

The spelling of 11520644031436 in words is "eleven trillion, five hundred twenty billion, six hundred forty-four million, thirty-one thousand, four hundred thirty-six".