26591034512 has 40 divisors (see below), whose sum is σ = 59081176896. Its totient is φ = 11357248896.

The previous prime is 26591034439. The next prime is 26591034553. The reversal of 26591034512 is 21543019562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372338 + ... + 437969.

Almost surely, 2^26591034512 is an apocalyptic number.

It is an amenable number.

26591034512 is an abundant number, since it is smaller than the sum of its proper divisors (32490142384).

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

26591034512 is a wasteful number, since it uses less digits than its factorization.

26591034512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810615 (or 810609 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 26591034512 in words is "twenty-six billion, five hundred ninety-one million, thirty-four thousand, five hundred twelve".