11944987063 has 8 divisors (see below), whose sum is σ = 12127961840. Its totient is φ = 11762150400.

The previous prime is 11944987057. The next prime is 11944987079. The reversal of 11944987063 is 36078944911.

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 11944987063 - 2⁹ = 11944986551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11944987063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11944988063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147013 + ... + 213313.

It is an arithmetic number, because the mean of its divisors is an integer number (1515995230).

Almost surely, 2^11944987063 is an apocalyptic number.

11944987063 is a deficient number, since it is larger than the sum of its proper divisors (182974777).

11944987063 is an equidigital number, since it uses as much as digits as its factorization.

11944987063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69057.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 11944987063 in words is "eleven billion, nine hundred forty-four million, nine hundred eighty-seven thousand, sixty-three".