11564534214562 has 12 divisors (see below), whose sum is σ = 20178932150070. Its totient is φ = 4956228949056.

The previous prime is 11564534214523. The next prime is 11564534214589. The reversal of 11564534214562 is 26541243546511.

It can be written as a sum of positive squares in only one way, i.e., 8694589898281 + 2869944316281 = 2948659^2 + 1694091^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59002725487 + ... + 59002725682.

Almost surely, 2^{11564534214562} is an apocalyptic number.

11564534214562 is a deficient number, since it is larger than the sum of its proper divisors (8614397935508).

11564534214562 is a wasteful number, since it uses less digits than its factorization.

11564534214562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118005451185 (or 118005451178 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 49.

The spelling of 11564534214562 in words is "eleven trillion, five hundred sixty-four billion, five hundred thirty-four million, two hundred fourteen thousand, five hundred sixty-two".