26516788811850 has 96 divisors (see below), whose sum is σ = 65952883673856. Its totient is φ = 7050586521600.

The previous prime is 26516788811753. The next prime is 26516788811857. The reversal of 26516788811850 is 5811888761562.

It is not an unprimeable number, because it can be changed into a prime (26516788811857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 322386730 + ... + 322468970.

It is an arithmetic number, because the mean of its divisors is an integer number (687009204936).

Almost surely, 2^{26516788811850} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26516788811850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32976441836928).

26516788811850 is an abundant number, since it is smaller than the sum of its proper divisors (39436094862006).

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

26516788811850 is a wasteful number, since it uses less digits than its factorization.

26516788811850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88480 (or 88475 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 66.

The spelling of 26516788811850 in words is "twenty-six trillion, five hundred sixteen billion, seven hundred eighty-eight million, eight hundred eleven thousand, eight hundred fifty".