11563005163623 has 16 divisors (see below), whose sum is σ = 15949478920800. Its totient is φ = 7442617633920.

The previous prime is 11563005163579. The next prime is 11563005163651. The reversal of 11563005163623 is 32636150036511.

It is a happy number.

It is not a de Polignac number, because 11563005163623 - 2¹³ = 11563005155431 is a prime.

It is a super-2 number, since 2×11563005163623² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11563005163673) 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, 667833 + ... + 4855101.

It is an arithmetic number, because the mean of its divisors is an integer number (996842432550).

Almost surely, 2^{11563005163623} is an apocalyptic number.

11563005163623 is a deficient number, since it is larger than the sum of its proper divisors (4386473757177).

11563005163623 is a wasteful number, since it uses less digits than its factorization.

11563005163623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219042.

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 11563005163623 in words is "eleven trillion, five hundred sixty-three billion, five million, one hundred sixty-three thousand, six hundred twenty-three".