15116400489 has 4 divisors (see below), whose sum is σ = 20155200656. Its totient is φ = 10077600324.

The previous prime is 15116400487. The next prime is 15116400499. The reversal of 15116400489 is 98400461151.

15116400489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 15116400489 - 2¹ = 15116400487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15116400487) 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 3 ways as a sum of consecutive naturals, for example, 2519400079 + ... + 2519400084.

It is an arithmetic number, because the mean of its divisors is an integer number (5038800164).

Almost surely, 2^15116400489 is an apocalyptic number.

It is an amenable number.

15116400489 is a deficient number, since it is larger than the sum of its proper divisors (5038800167).

15116400489 is an equidigital number, since it uses as much as digits as its factorization.

15116400489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038800166.

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 15116400489 in words is "fifteen billion, one hundred sixteen million, four hundred thousand, four hundred eighty-nine".