26356051266 has 32 divisors (see below), whose sum is σ = 54877141440. Its totient is φ = 8428370496.

The previous prime is 26356051199. The next prime is 26356051273. The reversal of 26356051266 is 66215065362.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455076 + ... + 509711.

It is an arithmetic number, because the mean of its divisors is an integer number (1714910670).

Almost surely, 2^26356051266 is an apocalyptic number.

26356051266 is an abundant number, since it is smaller than the sum of its proper divisors (28521090174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26356051266 is a wasteful number, since it uses less digits than its factorization.

26356051266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964978.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 26356051266 in words is "twenty-six billion, three hundred fifty-six million, fifty-one thousand, two hundred sixty-six".