26105710056 has 128 divisors (see below), whose sum is σ = 68889415680. Its totient is φ = 8227904256.

The previous prime is 26105710031. The next prime is 26105710061. The reversal of 26105710056 is 65001750162.

It is a junction number, because it is equal to n+sod(n) for n = 26105709999 and 26105710026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19672065 + ... + 19673391.

It is an arithmetic number, because the mean of its divisors is an integer number (538198560).

Almost surely, 2^26105710056 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 26105710056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34444707840).

26105710056 is an abundant number, since it is smaller than the sum of its proper divisors (42783705624).

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

26105710056 is a wasteful number, since it uses less digits than its factorization.

26105710056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743 (or 1739 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 26105710056 in words is "twenty-six billion, one hundred five million, seven hundred ten thousand, fifty-six".