26671255707215 has 32 divisors (see below), whose sum is σ = 36740048117760. Its totient is φ = 18207865954944.

The previous prime is 26671255707209. The next prime is 26671255707251. The reversal of 26671255707215 is 51270755217662.

It is a cyclic number.

It is not a de Polignac number, because 26671255707215 - 2¹⁸ = 26671255445071 is a prime.

It is a super-2 number, since 2×26671255707215² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5878469 + ... + 9375441.

It is an arithmetic number, because the mean of its divisors is an integer number (1148126503680).

Almost surely, 2^{26671255707215} is an apocalyptic number.

26671255707215 is a deficient number, since it is larger than the sum of its proper divisors (10068792410545).

26671255707215 is a wasteful number, since it uses less digits than its factorization.

26671255707215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497951.

The product of its (nonzero) digits is 12348000, while the sum is 56.

The spelling of 26671255707215 in words is "twenty-six trillion, six hundred seventy-one billion, two hundred fifty-five million, seven hundred seven thousand, two hundred fifteen".