15060791987 has 4 divisors (see below), whose sum is σ = 15267104280. Its totient is φ = 14854479696.

The previous prime is 15060791983. The next prime is 15060792007. The reversal of 15060791987 is 78919706051.

15060791987 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.

It is a cyclic number.

It is not a de Polignac number, because 15060791987 - 2² = 15060791983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15060791981) 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, 103156037 + ... + 103156182.

It is an arithmetic number, because the mean of its divisors is an integer number (3816776070).

Almost surely, 2^15060791987 is an apocalyptic number.

15060791987 is a deficient number, since it is larger than the sum of its proper divisors (206312293).

15060791987 is an equidigital number, since it uses as much as digits as its factorization.

15060791987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206312292.

The product of its (nonzero) digits is 952560, while the sum is 53.

The spelling of 15060791987 in words is "fifteen billion, sixty million, seven hundred ninety-one thousand, nine hundred eighty-seven".