10511440563 has 16 divisors (see below), whose sum is σ = 15239893760. Its totient is φ = 6405774624.

The previous prime is 10511440529. The next prime is 10511440613. The reversal of 10511440563 is 36504411501.

It is a happy number.

It is not a de Polignac number, because 10511440563 - 2²⁶ = 10444331699 is a prime.

It is a super-2 number, since 2×10511440563² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10511440563.

It is not an unprimeable number, because it can be changed into a prime (10511440363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1304353 + ... + 1312386.

It is an arithmetic number, because the mean of its divisors is an integer number (952493360).

Almost surely, 2^10511440563 is an apocalyptic number.

10511440563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10511440563 is a deficient number, since it is larger than the sum of its proper divisors (4728453197).

10511440563 is a wasteful number, since it uses less digits than its factorization.

10511440563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616858.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 10511440563 in words is "ten billion, five hundred eleven million, four hundred forty thousand, five hundred sixty-three".