11632789209 has 8 divisors (see below), whose sum is σ = 15621971680. Its totient is φ = 7699399776.

The previous prime is 11632789199. The next prime is 11632789219. The reversal of 11632789209 is 90298723611.

It is an interprime number because it is at equal distance from previous prime (11632789199) and next prime (11632789219).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11632789209 - 2⁴ = 11632789193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11632789219) 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 7 ways as a sum of consecutive naturals, for example, 13947772 + ... + 13948605.

It is an arithmetic number, because the mean of its divisors is an integer number (1952746460).

Almost surely, 2^11632789209 is an apocalyptic number.

It is an amenable number.

11632789209 is a deficient number, since it is larger than the sum of its proper divisors (3989182471).

11632789209 is a wasteful number, since it uses less digits than its factorization.

11632789209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27896519.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 11632789209 in words is "eleven billion, six hundred thirty-two million, seven hundred eighty-nine thousand, two hundred nine".