26834195121 has 16 divisors (see below), whose sum is σ = 37749042240. Its totient is φ = 16908756480.

The previous prime is 26834195119. The next prime is 26834195137. The reversal of 26834195121 is 12159143862.

It is not a de Polignac number, because 26834195121 - 2¹ = 26834195119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26834195191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518940 + ... + 568301.

It is an arithmetic number, because the mean of its divisors is an integer number (2359315140).

Almost surely, 2^26834195121 is an apocalyptic number.

It is an amenable number.

26834195121 is a deficient number, since it is larger than the sum of its proper divisors (10914847119).

26834195121 is a wasteful number, since it uses less digits than its factorization.

26834195121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087696.

The product of its digits is 103680, while the sum is 42.

The spelling of 26834195121 in words is "twenty-six billion, eight hundred thirty-four million, one hundred ninety-five thousand, one hundred twenty-one".