26530732660881 has 16 divisors (see below), whose sum is σ = 38069170881408. Its totient is φ = 16373836934400.

The previous prime is 26530732660877. The next prime is 26530732660889. The reversal of 26530732660881 is 18806623703562.

It is not a de Polignac number, because 26530732660881 - 2² = 26530732660877 is a prime.

It is a super-3 number, since 3×26530732660881³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (26530732660889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4264016925 + ... + 4264023146.

It is an arithmetic number, because the mean of its divisors is an integer number (2379323180088).

Almost surely, 2^{26530732660881} is an apocalyptic number.

It is an amenable number.

26530732660881 is a deficient number, since it is larger than the sum of its proper divisors (11538438220527).

26530732660881 is a wasteful number, since it uses less digits than its factorization.

26530732660881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528040152.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 26530732660881 in words is "twenty-six trillion, five hundred thirty billion, seven hundred thirty-two million, six hundred sixty thousand, eight hundred eighty-one".