15016016009947 has 2 divisors, whose sum is σ = 15016016009948. Its totient is φ = 15016016009946.

The previous prime is 15016016009899. The next prime is 15016016009959. The reversal of 15016016009947 is 74990061061051.

15016016009947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15016016009947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15016016009947.

It is not a weakly prime, because it can be changed into another prime (15016016006947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7508008004973 + 7508008004974.

It is an arithmetic number, because the mean of its divisors is an integer number (7508008004974).

Almost surely, 2^{15016016009947} is an apocalyptic number.

15016016009947 is a deficient number, since it is larger than the sum of its proper divisors (1).

15016016009947 is an equidigital number, since it uses as much as digits as its factorization.

15016016009947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 15016016009947 in words is "fifteen trillion, sixteen billion, sixteen million, nine thousand, nine hundred forty-seven".