26193095261 has 4 divisors (see below), whose sum is σ = 26204016000. Its totient is φ = 26182174524.

The previous prime is 26193095213. The next prime is 26193095273. The reversal of 26193095261 is 16259039162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26193095261 - 2⁶ = 26193095197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26193095161) 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 3 ways as a sum of consecutive naturals, for example, 5456771 + ... + 5461568.

It is an arithmetic number, because the mean of its divisors is an integer number (6551004000).

Almost surely, 2^26193095261 is an apocalyptic number.

It is an amenable number.

26193095261 is a deficient number, since it is larger than the sum of its proper divisors (10920739).

26193095261 is a wasteful number, since it uses less digits than its factorization.

26193095261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10920738.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 26193095261 in words is "twenty-six billion, one hundred ninety-three million, ninety-five thousand, two hundred sixty-one".