2159011571999 has 16 divisors (see below), whose sum is σ = 2177404053120. Its totient is φ = 2140704184320.

The previous prime is 2159011571993. The next prime is 2159011572059. The reversal of 2159011571999 is 9991751109512.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2159011571999 is a prime.

It is a super-2 number, since 2×2159011571999² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159011571993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170842109 + ... + 170854745.

It is an arithmetic number, because the mean of its divisors is an integer number (136087753320).

Almost surely, 2^{2159011571999} is an apocalyptic number.

2159011571999 is a deficient number, since it is larger than the sum of its proper divisors (18392481121).

2159011571999 is a wasteful number, since it uses less digits than its factorization.

2159011571999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15890.

The product of its (nonzero) digits is 2296350, while the sum is 59.

The spelling of 2159011571999 in words is "two trillion, one hundred fifty-nine billion, eleven million, five hundred seventy-one thousand, nine hundred ninety-nine".