11056060505565 has 24 divisors (see below), whose sum is σ = 19167204864600. Its totient is φ = 5895529709184.

The previous prime is 11056060505557. The next prime is 11056060505687. The reversal of 11056060505565 is 56550506065011.

11056060505565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 310848621444 + 10745211884121 = 557538^2 + 3277989^2 .

It is not a de Polignac number, because 11056060505565 - 2³ = 11056060505557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11056060505565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21322090 + ... + 21834459.

It is an arithmetic number, because the mean of its divisors is an integer number (798633536025).

Almost surely, 2^{11056060505565} is an apocalyptic number.

11056060505565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11056060505565 is a deficient number, since it is larger than the sum of its proper divisors (8111144359035).

11056060505565 is a wasteful number, since it uses less digits than its factorization.

11056060505565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43162253 (or 43162250 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 11056060505565 in words is "eleven trillion, fifty-six billion, sixty million, five hundred five thousand, five hundred sixty-five".