26056007858505 has 8 divisors (see below), whose sum is σ = 41689612573632. Its totient is φ = 13896537524528.

The previous prime is 26056007858479. The next prime is 26056007858519. The reversal of 26056007858505 is 50585870065062.

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 26056007858505 - 2⁹ = 26056007857993 is a prime.

It is a super-2 number, since 2×26056007858505² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868533595269 + ... + 868533595298.

It is an arithmetic number, because the mean of its divisors is an integer number (5211201571704).

Almost surely, 2^{26056007858505} is an apocalyptic number.

It is an amenable number.

26056007858505 is a deficient number, since it is larger than the sum of its proper divisors (15633604715127).

26056007858505 is a wasteful number, since it uses less digits than its factorization.

26056007858505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737067190575.

The product of its (nonzero) digits is 20160000, while the sum is 57.

The spelling of 26056007858505 in words is "twenty-six trillion, fifty-six billion, seven million, eight hundred fifty-eight thousand, five hundred five".