11563161630 has 16 divisors (see below), whose sum is σ = 27751587984. Its totient is φ = 3083509760.

The previous prime is 11563161629. The next prime is 11563161641. The reversal of 11563161630 is 3616136511.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11563161591 and 11563161600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192719331 + ... + 192719390.

It is an arithmetic number, because the mean of its divisors is an integer number (1734474249).

Almost surely, 2^11563161630 is an apocalyptic number.

11563161630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11563161630 is an abundant number, since it is smaller than the sum of its proper divisors (16188426354).

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

11563161630 is a wasteful number, since it uses less digits than its factorization.

11563161630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385438731.

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 11563161630 in words is "eleven billion, five hundred sixty-three million, one hundred sixty-one thousand, six hundred thirty".