13265021604572 has 12 divisors (see below), whose sum is σ = 24223082930256. Its totient is φ = 6344140767360.

The previous prime is 13265021604533. The next prime is 13265021604607. The reversal of 13265021604572 is 27540612056231.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 72092508629 + ... + 72092508812.

It is an arithmetic number, because the mean of its divisors is an integer number (2018590244188).

Almost surely, 2^{13265021604572} is an apocalyptic number.

It is an amenable number.

13265021604572 is a deficient number, since it is larger than the sum of its proper divisors (10958061325684).

13265021604572 is a wasteful number, since it uses less digits than its factorization.

13265021604572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144185017468 (or 144185017466 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 13265021604572 in words is "thirteen trillion, two hundred sixty-five billion, twenty-one million, six hundred four thousand, five hundred seventy-two".