15116604487 has 2 divisors, whose sum is σ = 15116604488. Its totient is φ = 15116604486.

The previous prime is 15116604457. The next prime is 15116604637. The reversal of 15116604487 is 78440661151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15116604487 - 2¹¹ = 15116602439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15116604457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7558302243 + 7558302244.

It is an arithmetic number, because the mean of its divisors is an integer number (7558302244).

Almost surely, 2^15116604487 is an apocalyptic number.

15116604487 is a deficient number, since it is larger than the sum of its proper divisors (1).

15116604487 is an equidigital number, since it uses as much as digits as its factorization.

15116604487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 15116604487 in words is "fifteen billion, one hundred sixteen million, six hundred four thousand, four hundred eighty-seven".