26814981171 has 16 divisors (see below), whose sum is σ = 39954918528. Its totient is φ = 15855124800.

The previous prime is 26814981119. The next prime is 26814981187. The reversal of 26814981171 is 17118941862.

It is not a de Polignac number, because 26814981171 - 2⁶ = 26814981107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26814981171.

It is not an unprimeable number, because it can be changed into a prime (26814981071) 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, 9908101 + ... + 9910806.

It is an arithmetic number, because the mean of its divisors is an integer number (2497182408).

Almost surely, 2^26814981171 is an apocalyptic number.

26814981171 is a deficient number, since it is larger than the sum of its proper divisors (13139937357).

26814981171 is a wasteful number, since it uses less digits than its factorization.

26814981171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19818962.

The product of its digits is 193536, while the sum is 48.

The spelling of 26814981171 in words is "twenty-six billion, eight hundred fourteen million, nine hundred eighty-one thousand, one hundred seventy-one".