11639662907 has 8 divisors (see below), whose sum is σ = 12095779200. Its totient is φ = 11188586880.

The previous prime is 11639662889. The next prime is 11639662919. The reversal of 11639662907 is 70926693611.

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

It is a cyclic number.

It is not a de Polignac number, because 11639662907 - 2⁶ = 11639662843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11639652907) 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, 1255358 + ... + 1264595.

It is an arithmetic number, because the mean of its divisors is an integer number (1511972400).

Almost surely, 2^11639662907 is an apocalyptic number.

11639662907 is a deficient number, since it is larger than the sum of its proper divisors (456116293).

11639662907 is a wasteful number, since it uses less digits than its factorization.

11639662907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520133.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 11639662907 in words is "eleven billion, six hundred thirty-nine million, six hundred sixty-two thousand, nine hundred seven".