15000078000863 has 2 divisors, whose sum is σ = 15000078000864. Its totient is φ = 15000078000862.

The previous prime is 15000078000851. The next prime is 15000078000881. The reversal of 15000078000863 is 36800087000051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15000078000863 - 2¹⁰ = 15000077999839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15000078005863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500039000431 + 7500039000432.

It is an arithmetic number, because the mean of its divisors is an integer number (7500039000432).

Almost surely, 2^{15000078000863} is an apocalyptic number.

15000078000863 is a deficient number, since it is larger than the sum of its proper divisors (1).

15000078000863 is an equidigital number, since it uses as much as digits as its factorization.

15000078000863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 15000078000863 in words is "fifteen trillion, seventy-eight million, eight hundred sixty-three", and thus it is an aban number.