15000078000063 has 128 divisors (see below), whose sum is σ = 23673847357440. Its totient is φ = 8365420800000.

The previous prime is 15000078000031. The next prime is 15000078000079. The reversal of 15000078000063 is 36000087000051.

It is not a de Polignac number, because 15000078000063 - 2⁵ = 15000078000031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15000078000863) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1515001413 + ... + 1515011313.

It is an arithmetic number, because the mean of its divisors is an integer number (184951932480).

Almost surely, 2^{15000078000063} is an apocalyptic number.

15000078000063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15000078000063 is a deficient number, since it is larger than the sum of its proper divisors (8673769357377).

15000078000063 is a wasteful number, since it uses less digits than its factorization.

15000078000063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10721.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 15000078000063 in words is "fifteen trillion, seventy-eight million, sixty-three", and thus it is an aban number and an uban number.