13056255033533 has 4 divisors (see below), whose sum is σ = 13063754320188. Its totient is φ = 13048755746880.

The previous prime is 13056255033511. The next prime is 13056255033553. The reversal of 13056255033533 is 33533055265031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2171653164409 + 10884601869124 = 1473653^2 + 3299182^2 .

It is a cyclic number.

It is not a de Polignac number, because 13056255033533 - 2¹⁶ = 13056254967997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056255033553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3749640716 + ... + 3749644197.

It is an arithmetic number, because the mean of its divisors is an integer number (3265938580047).

Almost surely, 2^{13056255033533} is an apocalyptic number.

It is an amenable number.

13056255033533 is a deficient number, since it is larger than the sum of its proper divisors (7499286655).

13056255033533 is an equidigital number, since it uses as much as digits as its factorization.

13056255033533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499286654.

The product of its (nonzero) digits is 1822500, while the sum is 44.

The spelling of 13056255033533 in words is "thirteen trillion, fifty-six billion, two hundred fifty-five million, thirty-three thousand, five hundred thirty-three".