13998251487655 has 8 divisors (see below), whose sum is σ = 16799705933184. Its totient is φ = 11197398424800.

The previous prime is 13998251487587. The next prime is 13998251487673. The reversal of 13998251487655 is 55678415289931.

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

It is not a de Polignac number, because 13998251487655 - 2⁷ = 13998251487527 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, 150294456 + ... + 150387565.

It is an arithmetic number, because the mean of its divisors is an integer number (2099963241648).

Almost surely, 2^{13998251487655} is an apocalyptic number.

13998251487655 is a deficient number, since it is larger than the sum of its proper divisors (2801454445529).

13998251487655 is an equidigital number, since it uses as much as digits as its factorization.

13998251487655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300691337.

The product of its digits is 653184000, while the sum is 73.

The spelling of 13998251487655 in words is "thirteen trillion, nine hundred ninety-eight billion, two hundred fifty-one million, four hundred eighty-seven thousand, six hundred fifty-five".