82159026011 has 4 divisors (see below), whose sum is σ = 86991909912. Its totient is φ = 77326142112.

The previous prime is 82159026007. The next prime is 82159026017. The reversal of 82159026011 is 11062095128.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82159026011 - 2² = 82159026007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82159026017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416441925 + ... + 2416441958.

It is an arithmetic number, because the mean of its divisors is an integer number (21747977478).

Almost surely, 2^82159026011 is an apocalyptic number.

82159026011 is a deficient number, since it is larger than the sum of its proper divisors (4832883901).

82159026011 is a wasteful number, since it uses less digits than its factorization.

82159026011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832883900.

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 82159026011 in words is "eighty-two billion, one hundred fifty-nine million, twenty-six thousand, eleven".