26215323561012 has 24 divisors (see below), whose sum is σ = 61169180069536. Its totient is φ = 8738428078368.

The previous prime is 26215323560947. The next prime is 26215323561047. The reversal of 26215323561012 is 21016532351262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10001883 + ... + 12347805.

Almost surely, 2^{26215323561012} is an apocalyptic number.

It is an amenable number.

26215323561012 is an abundant number, since it is smaller than the sum of its proper divisors (34953856508524).

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

26215323561012 is a wasteful number, since it uses less digits than its factorization.

26215323561012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277167 (or 3277165 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 26215323561012 in words is "twenty-six trillion, two hundred fifteen billion, three hundred twenty-three million, five hundred sixty-one thousand, twelve".