11638750678 has 8 divisors (see below), whose sum is σ = 17461967400. Its totient is φ = 5818094880.

The previous prime is 11638750667. The next prime is 11638750679. The reversal of 11638750678 is 87605783611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11638750679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628828 + ... + 647071.

It is an arithmetic number, because the mean of its divisors is an integer number (2182745925).

Almost surely, 2^11638750678 is an apocalyptic number.

11638750678 is a deficient number, since it is larger than the sum of its proper divisors (5823216722).

11638750678 is a wasteful number, since it uses less digits than its factorization.

11638750678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280462.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 11638750678 in words is "eleven billion, six hundred thirty-eight million, seven hundred fifty thousand, six hundred seventy-eight".