13917305987501 has 8 divisors (see below), whose sum is σ = 15905524515840. Its totient is φ = 11929095448848.

The previous prime is 13917305987461. The next prime is 13917305987549. The reversal of 13917305987501 is 10578950371931.

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 13917305987501 - 2⁶ = 13917305987437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13917305987201) 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 7 ways as a sum of consecutive naturals, for example, 2372660 + ... + 5784818.

It is an arithmetic number, because the mean of its divisors is an integer number (1988190564480).

Almost surely, 2^{13917305987501} is an apocalyptic number.

It is an amenable number.

13917305987501 is a deficient number, since it is larger than the sum of its proper divisors (1988218528339).

13917305987501 is an equidigital number, since it uses as much as digits as its factorization.

13917305987501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994843.

The product of its (nonzero) digits is 7144200, while the sum is 59.

The spelling of 13917305987501 in words is "thirteen trillion, nine hundred seventeen billion, three hundred five million, nine hundred eighty-seven thousand, five hundred one".