13988403155 has 16 divisors (see below), whose sum is σ = 18002956320. Its totient is φ = 10401700608.

The previous prime is 13988403151. The next prime is 13988403167. The reversal of 13988403155 is 55130488931.

13988403155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13988403155 - 2² = 13988403151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13988403151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384082 + ... + 1394151.

It is an arithmetic number, because the mean of its divisors is an integer number (1125184770).

Almost surely, 2^13988403155 is an apocalyptic number.

13988403155 is a deficient number, since it is larger than the sum of its proper divisors (4014553165).

13988403155 is a wasteful number, since it uses less digits than its factorization.

13988403155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778310.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 13988403155 in words is "thirteen billion, nine hundred eighty-eight million, four hundred three thousand, one hundred fifty-five".