26261299794959 has 8 divisors (see below), whose sum is σ = 26386119280752. Its totient is φ = 26136483690240.

The previous prime is 26261299794929. The next prime is 26261299794979. The reversal of 26261299794959 is 95949799216262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26261299794959 - 2⁴⁰ = 25161788167183 is a prime.

It is a super-3 number, since 3×26261299794959³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26261299794929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15472697 + ... + 17085869.

It is an arithmetic number, because the mean of its divisors is an integer number (3298264910094).

Almost surely, 2^{26261299794959} is an apocalyptic number.

26261299794959 is a deficient number, since it is larger than the sum of its proper divisors (124819485793).

26261299794959 is a wasteful number, since it uses less digits than its factorization.

26261299794959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690537.

The product of its digits is 2380855680, while the sum is 80.

The spelling of 26261299794959 in words is "twenty-six trillion, two hundred sixty-one billion, two hundred ninety-nine million, seven hundred ninety-four thousand, nine hundred fifty-nine".