11121032564144 has 20 divisors (see below), whose sum is σ = 22681053256440. Its totient is φ = 5267857530240.

The previous prime is 11121032564143. The next prime is 11121032564263. The reversal of 11121032564144 is 44146523012111.

It is not an unprimeable number, because it can be changed into a prime (11121032564143) 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, 18291171677 + ... + 18291172284.

It is an arithmetic number, because the mean of its divisors is an integer number (1134052662822).

Almost surely, 2^{11121032564144} is an apocalyptic number.

It is an amenable number.

11121032564144 is an abundant number, since it is smaller than the sum of its proper divisors (11560020692296).

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

11121032564144 is a wasteful number, since it uses less digits than its factorization.

11121032564144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36582343988 (or 36582343982 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 11121032564144 its reverse (44146523012111), we get a palindrome (55267555576255).

The spelling of 11121032564144 in words is "eleven trillion, one hundred twenty-one billion, thirty-two million, five hundred sixty-four thousand, one hundred forty-four".