13072555721255 has 8 divisors (see below), whose sum is σ = 15687086525952. Its totient is φ = 10458031470048.

The previous prime is 13072555721249. The next prime is 13072555721287. The reversal of 13072555721255 is 55212755527031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13072555721255 - 2⁶ = 13072555721191 is a prime.

It is a Duffinian number.

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, 5920154 + ... + 7822616.

It is an arithmetic number, because the mean of its divisors is an integer number (1960885815744).

Almost surely, 2^{13072555721255} is an apocalyptic number.

13072555721255 is a deficient number, since it is larger than the sum of its proper divisors (2614530804697).

13072555721255 is a wasteful number, since it uses less digits than its factorization.

13072555721255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276745.

The product of its (nonzero) digits is 3675000, while the sum is 50.

The spelling of 13072555721255 in words is "thirteen trillion, seventy-two billion, five hundred fifty-five million, seven hundred twenty-one thousand, two hundred fifty-five".