13778801255 has 8 divisors (see below), whose sum is σ = 16607402352. Its totient is φ = 10974480448.

The previous prime is 13778801251. The next prime is 13778801261. The reversal of 13778801255 is 55210887731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13778801255 - 2² = 13778801251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13778801251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6068822 + ... + 6071091.

It is an arithmetic number, because the mean of its divisors is an integer number (2075925294).

Almost surely, 2^13778801255 is an apocalyptic number.

13778801255 is a deficient number, since it is larger than the sum of its proper divisors (2828601097).

13778801255 is a wasteful number, since it uses less digits than its factorization.

13778801255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12140145.

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 13778801255 in words is "thirteen billion, seven hundred seventy-eight million, eight hundred one thousand, two hundred fifty-five".