26517715152 has 80 divisors (see below), whose sum is σ = 69390350400. Its totient is φ = 8725072896.

The previous prime is 26517715139. The next prime is 26517715163. The reversal of 26517715152 is 25151771562.

It is a super-2 number, since 2×26517715152² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 6169068 + ... + 6173364.

It is an arithmetic number, because the mean of its divisors is an integer number (867379380).

Almost surely, 2^26517715152 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 26517715152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34695175200).

26517715152 is an abundant number, since it is smaller than the sum of its proper divisors (42872635248).

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

26517715152 is a wasteful number, since it uses less digits than its factorization.

26517715152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940 (or 5934 counting only the distinct ones).

The product of its digits is 147000, while the sum is 42.

The spelling of 26517715152 in words is "twenty-six billion, five hundred seventeen million, seven hundred fifteen thousand, one hundred fifty-two".