26317075712 has 72 divisors (see below), whose sum is σ = 55539976800. Its totient is φ = 12411021312.

The previous prime is 26317075711. The next prime is 26317075727. The reversal of 26317075712 is 21757071362.

It is a super-2 number, since 2×26317075712² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26317075712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26317075711) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1102043 + ... + 1125669.

Almost surely, 2^26317075712 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 26317075712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27769988400).

26317075712 is an abundant number, since it is smaller than the sum of its proper divisors (29222901088).

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

26317075712 is a wasteful number, since it uses less digits than its factorization.

26317075712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23891 (or 23877 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 26317075712 in words is "twenty-six billion, three hundred seventeen million, seventy-five thousand, seven hundred twelve".