10566384255 has 256 divisors, whose sum is σ = 23998464000. Its totient is φ = 4389396480.

The previous prime is 10566384251. The next prime is 10566384263. The reversal of 10566384255 is 55248366501.

10566384255 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 638 + 4 + 2 + 5 + 5 = 666.

It is not a de Polignac number, because 10566384255 - 2² = 10566384251 is a prime.

It is a super-2 number, since 2×10566384255² (a number of 21 digits) contains 22 as substring.

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 10566384255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10566384251) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 24402519 + ... + 24402951.

It is an arithmetic number, because the mean of its divisors is an integer number (93744000).

Almost surely, 2^10566384255 is an apocalyptic number.

10566384255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10566384255 is an abundant number, since it is smaller than the sum of its proper divisors (13432079745).

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

10566384255 is a wasteful number, since it uses less digits than its factorization.

10566384255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 10566384255 in words is "ten billion, five hundred sixty-six million, three hundred eighty-four thousand, two hundred fifty-five".