11555542020324 has 12 divisors (see below), whose sum is σ = 26962931380784. Its totient is φ = 3851847340104.

The previous prime is 11555542020301. The next prime is 11555542020443. The reversal of 11555542020324 is 42302024555511.

11555542020324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 481480917502 + ... + 481480917525.

Almost surely, 2^{11555542020324} is an apocalyptic number.

It is an amenable number.

11555542020324 is an abundant number, since it is smaller than the sum of its proper divisors (15407389360460).

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

11555542020324 is a wasteful number, since it uses less digits than its factorization.

11555542020324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962961835034 (or 962961835032 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 11555542020324 its reverse (42302024555511), we get a palindrome (53857566575835).

The spelling of 11555542020324 in words is "eleven trillion, five hundred fifty-five billion, five hundred forty-two million, twenty thousand, three hundred twenty-four".