11968848729 has 6 divisors (see below), whose sum is σ = 17288337066. Its totient is φ = 7979232480.

The previous prime is 11968848719. The next prime is 11968848757. The reversal of 11968848729 is 92784886911.

It can be written as a sum of positive squares in only one way, i.e., 7516890000 + 4451958729 = 86700^2 + 66723^2 .

It is not a de Polignac number, because 11968848729 - 2⁴ = 11968848713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11968848719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664936032 + ... + 664936049.

It is an arithmetic number, because the mean of its divisors is an integer number (2881389511).

Almost surely, 2^11968848729 is an apocalyptic number.

It is an amenable number.

11968848729 is a deficient number, since it is larger than the sum of its proper divisors (5319488337).

11968848729 is a wasteful number, since it uses less digits than its factorization.

11968848729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329872087 (or 1329872084 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 63.

The spelling of 11968848729 in words is "eleven billion, nine hundred sixty-eight million, eight hundred forty-eight thousand, seven hundred twenty-nine".