13405431055255 has 8 divisors (see below), whose sum is σ = 16478871346224. Its totient is φ = 10462775457600.

The previous prime is 13405431055223. The next prime is 13405431055267. The reversal of 13405431055255 is 55255013450431.

13405431055255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13405431055255 - 2⁵ = 13405431055223 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, 32696173101 + ... + 32696173510.

It is an arithmetic number, because the mean of its divisors is an integer number (2059858918278).

Almost surely, 2^{13405431055255} is an apocalyptic number.

13405431055255 is a deficient number, since it is larger than the sum of its proper divisors (3073440290969).

13405431055255 is an equidigital number, since it uses as much as digits as its factorization.

13405431055255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65392346657.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 13405431055255 in words is "thirteen trillion, four hundred five billion, four hundred thirty-one million, fifty-five thousand, two hundred fifty-five".