11553503423312 has 20 divisors (see below), whose sum is σ = 22548306411636. Its totient is φ = 5734585639680.

The previous prime is 11553503423309. The next prime is 11553503423437. The reversal of 11553503423312 is 21332430535511.

It can be written as a sum of positive squares in 2 ways, for example, as 6833121472576 + 4720381950736 = 2614024^2 + 2172644^2 .

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, 2635377239 + ... + 2635381622.

Almost surely, 2^{11553503423312} is an apocalyptic number.

It is an amenable number.

11553503423312 is a deficient number, since it is larger than the sum of its proper divisors (10994802988324).

11553503423312 is a wasteful number, since it uses less digits than its factorization.

11553503423312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270759006 (or 5270759000 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 11553503423312 its reverse (21332430535511), we get a palindrome (32885933958823).

The spelling of 11553503423312 in words is "eleven trillion, five hundred fifty-three billion, five hundred three million, four hundred twenty-three thousand, three hundred twelve".