2159011571998 has 32 divisors (see below), whose sum is σ = 3290769141120. Its totient is φ = 1062227460000.

The previous prime is 2159011571993. The next prime is 2159011572059. The reversal of 2159011571998 is 8991751109512.

It is a super-2 number, since 2×2159011571998² (a number of 25 digits) contains 22 as substring.

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, 65465653 + ... + 65498623.

It is an arithmetic number, because the mean of its divisors is an integer number (102836535660).

Almost surely, 2^{2159011571998} is an apocalyptic number.

2159011571998 is a deficient number, since it is larger than the sum of its proper divisors (1131757569122).

2159011571998 is a wasteful number, since it uses less digits than its factorization.

2159011571998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35064.

The product of its (nonzero) digits is 2041200, while the sum is 58.

The spelling of 2159011571998 in words is "two trillion, one hundred fifty-nine billion, eleven million, five hundred seventy-one thousand, nine hundred ninety-eight".