26556640122707 has 8 divisors (see below), whose sum is σ = 26766088330752. Its totient is φ = 26347197240000.

The previous prime is 26556640122599. The next prime is 26556640122731. The reversal of 26556640122707 is 70722104665562.

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 26556640122707 - 2¹⁴ = 26556640106323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26556640122737) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8996357 + ... + 11577897.

It is an arithmetic number, because the mean of its divisors is an integer number (3345761041344).

Almost surely, 2^{26556640122707} is an apocalyptic number.

26556640122707 is a deficient number, since it is larger than the sum of its proper divisors (209448208045).

26556640122707 is a wasteful number, since it uses less digits than its factorization.

26556640122707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662669.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 26556640122707 in words is "twenty-six trillion, five hundred fifty-six billion, six hundred forty million, one hundred twenty-two thousand, seven hundred seven".