13989115527 has 16 divisors (see below), whose sum is σ = 19020065280. Its totient is φ = 9142984512.

The previous prime is 13989115519. The next prime is 13989115607. The reversal of 13989115527 is 72551198931.

13989115527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13989115527 - 2³ = 13989115519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13989115527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13989115027) 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, 42718 + ... + 172635.

It is an arithmetic number, because the mean of its divisors is an integer number (1188754080).

Almost surely, 2^13989115527 is an apocalyptic number.

13989115527 is a deficient number, since it is larger than the sum of its proper divisors (5030949753).

13989115527 is a wasteful number, since it uses less digits than its factorization.

13989115527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215782.

The product of its digits is 680400, while the sum is 51.

The spelling of 13989115527 in words is "thirteen billion, nine hundred eighty-nine million, one hundred fifteen thousand, five hundred twenty-seven".