13987051788502 has 32 divisors (see below), whose sum is σ = 23393380711680. Its totient is φ = 6227678674560.

The previous prime is 13987051788487. The next prime is 13987051788503. The reversal of 13987051788502 is 20588715078931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13987051788503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6963238 + ... + 8744185.

It is an arithmetic number, because the mean of its divisors is an integer number (731043147240).

Almost surely, 2^{13987051788502} is an apocalyptic number.

13987051788502 is a deficient number, since it is larger than the sum of its proper divisors (9406328923178).

13987051788502 is a wasteful number, since it uses less digits than its factorization.

13987051788502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15708648.

The product of its (nonzero) digits is 33868800, while the sum is 64.

The spelling of 13987051788502 in words is "thirteen trillion, nine hundred eighty-seven billion, fifty-one million, seven hundred eighty-eight thousand, five hundred two".