13530511255 has 8 divisors (see below), whose sum is σ = 16760375424. Its totient is φ = 10475234400.

The previous prime is 13530511219. The next prime is 13530511273. The reversal of 13530511255 is 55211503531.

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

It is a de Polignac number, because none of the positive numbers 2^k-13530511255 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 43646656 + ... + 43646965.

It is an arithmetic number, because the mean of its divisors is an integer number (2095046928).

Almost surely, 2^13530511255 is an apocalyptic number.

13530511255 is a deficient number, since it is larger than the sum of its proper divisors (3229864169).

13530511255 is an equidigital number, since it uses as much as digits as its factorization.

13530511255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87293657.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 13530511255 in words is "thirteen billion, five hundred thirty million, five hundred eleven thousand, two hundred fifty-five".