11988759249 has 24 divisors (see below), whose sum is σ = 17417866752. Its totient is φ = 7946110080.

The previous prime is 11988759217. The next prime is 11988759317. The reversal of 11988759249 is 94295788911.

It is not a de Polignac number, because 11988759249 - 2⁵ = 11988759217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11988759049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1399072 + ... + 1407614.

It is an arithmetic number, because the mean of its divisors is an integer number (725744448).

Almost surely, 2^11988759249 is an apocalyptic number.

It is an amenable number.

11988759249 is a deficient number, since it is larger than the sum of its proper divisors (5429107503).

11988759249 is a wasteful number, since it uses less digits than its factorization.

11988759249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437 (or 9434 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 63.

The spelling of 11988759249 in words is "eleven billion, nine hundred eighty-eight million, seven hundred fifty-nine thousand, two hundred forty-nine".