26047173612 has 12 divisors (see below), whose sum is σ = 60776738456. Its totient is φ = 8682391200.

The previous prime is 26047173583. The next prime is 26047173623. The reversal of 26047173612 is 21637174062.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1085298889 + ... + 1085298912.

Almost surely, 2^26047173612 is an apocalyptic number.

It is an amenable number.

26047173612 is an abundant number, since it is smaller than the sum of its proper divisors (34729564844).

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

26047173612 is a wasteful number, since it uses less digits than its factorization.

26047173612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170597808 (or 2170597806 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 26047173612 in words is "twenty-six billion, forty-seven million, one hundred seventy-three thousand, six hundred twelve".