10011999959 has 8 divisors (see below), whose sum is σ = 10783148880. Its totient is φ = 9240993216.

The previous prime is 10011999947. The next prime is 10011999997. The reversal of 10011999959 is 95999911001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10011999959 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 10011999959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011999919) 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, 144539 + ... + 202275.

It is an arithmetic number, because the mean of its divisors is an integer number (1347893610).

Almost surely, 2^10011999959 is an apocalyptic number.

10011999959 is a deficient number, since it is larger than the sum of its proper divisors (771148921).

10011999959 is a wasteful number, since it uses less digits than its factorization.

10011999959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71089.

The product of its (nonzero) digits is 295245, while the sum is 53.

The spelling of 10011999959 in words is "ten billion, eleven million, nine hundred ninety-nine thousand, nine hundred fifty-nine".