15116513439 has 4 divisors (see below), whose sum is σ = 20155351256. Its totient is φ = 10077675624.

The previous prime is 15116513437. The next prime is 15116513473. The reversal of 15116513439 is 93431561151.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15116513439 - 2¹ = 15116513437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15116513397 and 15116513406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15116513431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519418904 + ... + 2519418909.

It is an arithmetic number, because the mean of its divisors is an integer number (5038837814).

Almost surely, 2^15116513439 is an apocalyptic number.

15116513439 is a deficient number, since it is larger than the sum of its proper divisors (5038837817).

15116513439 is an equidigital number, since it uses as much as digits as its factorization.

15116513439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038837816.

The product of its digits is 48600, while the sum is 39.

The spelling of 15116513439 in words is "fifteen billion, one hundred sixteen million, five hundred thirteen thousand, four hundred thirty-nine".