15147257087 has 2 divisors, whose sum is σ = 15147257088. Its totient is φ = 15147257086.

The previous prime is 15147257077. The next prime is 15147257117. The reversal of 15147257087 is 78075274151.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15147257087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15147257017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7573628543 + 7573628544.

It is an arithmetic number, because the mean of its divisors is an integer number (7573628544).

Almost surely, 2^15147257087 is an apocalyptic number.

15147257087 is a deficient number, since it is larger than the sum of its proper divisors (1).

15147257087 is an equidigital number, since it uses as much as digits as its factorization.

15147257087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 548800, while the sum is 47.

The spelling of 15147257087 in words is "fifteen billion, one hundred forty-seven million, two hundred fifty-seven thousand, eighty-seven".