26105120236536 has 64 divisors (see below), whose sum is σ = 71197366849920. Its totient is φ = 7910466453120.

The previous prime is 26105120236523. The next prime is 26105120236577. The reversal of 26105120236536 is 63563202150162.

It is a happy number.

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, 11038431 + ... + 13193073.

It is an arithmetic number, because the mean of its divisors is an integer number (1112458857030).

Almost surely, 2^{26105120236536} is an apocalyptic number.

It is an amenable number.

26105120236536 is an abundant number, since it is smaller than the sum of its proper divisors (45092246613384).

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

26105120236536 is a wasteful number, since it uses less digits than its factorization.

26105120236536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200556 (or 2200552 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

Adding to 26105120236536 its reverse (63563202150162), we get a palindrome (89668322386698).

The spelling of 26105120236536 in words is "twenty-six trillion, one hundred five billion, one hundred twenty million, two hundred thirty-six thousand, five hundred thirty-six".