11990712859 has 8 divisors (see below), whose sum is σ = 12493191168. Its totient is φ = 11495464680.

The previous prime is 11990712847. The next prime is 11990712863. The reversal of 11990712859 is 95821709911.

11990712859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11990712859 - 2²⁵ = 11957158427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11990712059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804147 + ... + 1810780.

It is an arithmetic number, because the mean of its divisors is an integer number (1561648896).

Almost surely, 2^11990712859 is an apocalyptic number.

11990712859 is a deficient number, since it is larger than the sum of its proper divisors (502478309).

11990712859 is a wasteful number, since it uses less digits than its factorization.

11990712859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615065.

The product of its (nonzero) digits is 408240, while the sum is 52.

The spelling of 11990712859 in words is "eleven billion, nine hundred ninety million, seven hundred twelve thousand, eight hundred fifty-nine".