11811105630 has 48 divisors (see below), whose sum is σ = 30723114240. Its totient is φ = 3148167744.

The previous prime is 11811105611. The next prime is 11811105707. The reversal of 11811105630 is 3650111811.

It is a happy number.

11811105630 is a `hidden beast` number, since 1 + 1 + 8 + 11 + 10 + 5 + 630 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11811105594 and 11811105603.

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, 172204 + ... + 230816.

It is an arithmetic number, because the mean of its divisors is an integer number (640064880).

Almost surely, 2^11811105630 is an apocalyptic number.

11811105630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11811105630 is an abundant number, since it is smaller than the sum of its proper divisors (18912008610).

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

11811105630 is a wasteful number, since it uses less digits than its factorization.

11811105630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60865 (or 60862 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 11811105630 in words is "eleven billion, eight hundred eleven million, one hundred five thousand, six hundred thirty".