11561565243484 has 12 divisors (see below), whose sum is σ = 20411789966064. Its totient is φ = 5729625253184.

The previous prime is 11561565243469. The next prime is 11561565243517. The reversal of 11561565243484 is 48434256516511.

11561565243484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12789341632 + ... + 12789342535.

It is an arithmetic number, because the mean of its divisors is an integer number (1700982497172).

Almost surely, 2^{11561565243484} is an apocalyptic number.

It is an amenable number.

11561565243484 is a deficient number, since it is larger than the sum of its proper divisors (8850224722580).

11561565243484 is a wasteful number, since it uses less digits than its factorization.

11561565243484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25578684284 (or 25578684282 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 55.

The spelling of 11561565243484 in words is "eleven trillion, five hundred sixty-one billion, five hundred sixty-five million, two hundred forty-three thousand, four hundred eighty-four".