13255378305 has 32 divisors (see below), whose sum is σ = 22845715200. Its totient is φ = 6524102400.

The previous prime is 13255378303. The next prime is 13255378309. The reversal of 13255378305 is 50387355231.

It is not a de Polignac number, because 13255378305 - 2¹ = 13255378303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13255378303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1281655 + ... + 1291955.

It is an arithmetic number, because the mean of its divisors is an integer number (713928600).

Almost surely, 2^13255378305 is an apocalyptic number.

13255378305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13255378305 is a deficient number, since it is larger than the sum of its proper divisors (9590336895).

13255378305 is a wasteful number, since it uses less digits than its factorization.

13255378305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16921.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 13255378305 in words is "thirteen billion, two hundred fifty-five million, three hundred seventy-eight thousand, three hundred five".