13528377655259 has 4 divisors (see below), whose sum is σ = 13528692831960. Its totient is φ = 13528062478560.

The previous prime is 13528377655237. The next prime is 13528377655279. The reversal of 13528377655259 is 95255677382531.

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

It is a cyclic number.

It is not a de Polignac number, because 13528377655259 - 2²⁰ = 13528376606683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13528377655279) 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, 157523957 + ... + 157609814.

It is an arithmetic number, because the mean of its divisors is an integer number (3382173207990).

Almost surely, 2^{13528377655259} is an apocalyptic number.

13528377655259 is a deficient number, since it is larger than the sum of its proper divisors (315176701).

13528377655259 is an equidigital number, since it uses as much as digits as its factorization.

13528377655259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315176700.

The product of its digits is 476280000, while the sum is 68.

The spelling of 13528377655259 in words is "thirteen trillion, five hundred twenty-eight billion, three hundred seventy-seven million, six hundred fifty-five thousand, two hundred fifty-nine".