13531112555 has 4 divisors (see below), whose sum is σ = 16237335072. Its totient is φ = 10824890040.

The previous prime is 13531112519. The next prime is 13531112587. The reversal of 13531112555 is 55521113531.

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

It is not a de Polignac number, because 13531112555 - 2¹⁴ = 13531096171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353111251 + ... + 1353111260.

It is an arithmetic number, because the mean of its divisors is an integer number (4059333768).

Almost surely, 2^13531112555 is an apocalyptic number.

13531112555 is a deficient number, since it is larger than the sum of its proper divisors (2706222517).

13531112555 is an equidigital number, since it uses as much as digits as its factorization.

13531112555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706222516.

The product of its digits is 11250, while the sum is 32.

The spelling of 13531112555 in words is "thirteen billion, five hundred thirty-one million, one hundred twelve thousand, five hundred fifty-five".