15438132117559 has 8 divisors (see below), whose sum is σ = 15656211131040. Its totient is φ = 15220070896800.

The previous prime is 15438132117553. The next prime is 15438132117563. The reversal of 15438132117559 is 95571123183451.

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 15438132117559 - 2¹⁹ = 15438131593271 is a prime.

It is a super-2 number, since 2×15438132117559² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15438132117553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695752 + ... + 6176029.

It is an arithmetic number, because the mean of its divisors is an integer number (1957026391380).

Almost surely, 2^{15438132117559} is an apocalyptic number.

15438132117559 is a deficient number, since it is larger than the sum of its proper divisors (218079013481).

15438132117559 is an equidigital number, since it uses as much as digits as its factorization.

15438132117559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896361.

The product of its digits is 4536000, while the sum is 55.

The spelling of 15438132117559 in words is "fifteen trillion, four hundred thirty-eight billion, one hundred thirty-two million, one hundred seventeen thousand, five hundred fifty-nine".