26000505812 has 12 divisors (see below), whose sum is σ = 45507143136. Its totient is φ = 12998464920.

The previous prime is 26000505781. The next prime is 26000505827. The reversal of 26000505812 is 21850500062.

It is a congruent number.

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, 414008 + ... + 472655.

It is an arithmetic number, because the mean of its divisors is an integer number (3792261928).

Almost surely, 2^26000505812 is an apocalyptic number.

It is an amenable number.

26000505812 is a deficient number, since it is larger than the sum of its proper divisors (19506637324).

26000505812 is a wasteful number, since it uses less digits than its factorization.

26000505812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893998 (or 893996 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 26000505812 in words is "twenty-six billion, five hundred five thousand, eight hundred twelve".