26655059821056 has 160 divisors (see below), whose sum is σ = 71701685352000. Its totient is φ = 8798631346176.

The previous prime is 26655059821043. The next prime is 26655059821057. The reversal of 26655059821056 is 65012895055662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26655059821057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451774150 + ... + 451833146.

It is an arithmetic number, because the mean of its divisors is an integer number (448135533450).

Almost surely, 2^{26655059821056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26655059821056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35850842676000).

26655059821056 is an abundant number, since it is smaller than the sum of its proper divisors (45046625530944).

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

26655059821056 is a wasteful number, since it uses less digits than its factorization.

26655059821056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61874 (or 61858 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 60.

The spelling of 26655059821056 in words is "twenty-six trillion, six hundred fifty-five billion, fifty-nine million, eight hundred twenty-one thousand, fifty-six".