11636808530 has 16 divisors (see below), whose sum is σ = 21020802264. Its totient is φ = 4638157440.

The previous prime is 11636808523. The next prime is 11636808541. The reversal of 11636808530 is 3580863611.

It can be written as a sum of positive squares in 4 ways, for example, as 10874109841 + 762698689 = 104279^2 + 27617^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2067797 + ... + 2073416.

Almost surely, 2^11636808530 is an apocalyptic number.

11636808530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11636808530 is a deficient number, since it is larger than the sum of its proper divisors (9383993734).

11636808530 is a wasteful number, since it uses less digits than its factorization.

11636808530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141501.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 11636808530 in words is "eleven billion, six hundred thirty-six million, eight hundred eight thousand, five hundred thirty".