11628837863 has 4 divisors (see below), whose sum is σ = 11693085768. Its totient is φ = 11564589960.

The previous prime is 11628837859. The next prime is 11628837889. The reversal of 11628837863 is 36873882611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11628837863 - 2² = 11628837859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11628837833) 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, 32123681 + ... + 32124042.

It is an arithmetic number, because the mean of its divisors is an integer number (2923271442).

Almost surely, 2^11628837863 is an apocalyptic number.

11628837863 is a deficient number, since it is larger than the sum of its proper divisors (64247905).

11628837863 is an equidigital number, since it uses as much as digits as its factorization.

11628837863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64247904.

The product of its digits is 2322432, while the sum is 53.

The spelling of 11628837863 in words is "eleven billion, six hundred twenty-eight million, eight hundred thirty-seven thousand, eight hundred sixty-three".