26091007765388 has 12 divisors (see below), whose sum is σ = 45708947234160. Its totient is φ = 13031308555632.

The previous prime is 26091007765363. The next prime is 26091007765423. The reversal of 26091007765388 is 88356770019062.

It is a self number, because there is not a number n which added to its sum of digits gives 26091007765388.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3548827631 + ... + 3548834982.

It is an arithmetic number, because the mean of its divisors is an integer number (3809078936180).

Almost surely, 2^{26091007765388} is an apocalyptic number.

It is an amenable number.

26091007765388 is a deficient number, since it is larger than the sum of its proper divisors (19617939468772).

26091007765388 is a wasteful number, since it uses less digits than its factorization.

26091007765388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097663536 (or 7097663534 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 26091007765388 in words is "twenty-six trillion, ninety-one billion, seven million, seven hundred sixty-five thousand, three hundred eighty-eight".