15798035078971 has 2 divisors, whose sum is σ = 15798035078972. Its totient is φ = 15798035078970.

The previous prime is 15798035078953. The next prime is 15798035079031. The reversal of 15798035078971 is 17987053089751.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15798035078971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15798035078971.

It is not a weakly prime, because it can be changed into another prime (15798035078951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7899017539485 + 7899017539486.

It is an arithmetic number, because the mean of its divisors is an integer number (7899017539486).

Almost surely, 2^{15798035078971} is an apocalyptic number.

15798035078971 is a deficient number, since it is larger than the sum of its proper divisors (1).

15798035078971 is an equidigital number, since it uses as much as digits as its factorization.

15798035078971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 133358400, while the sum is 70.

The spelling of 15798035078971 in words is "fifteen trillion, seven hundred ninety-eight billion, thirty-five million, seventy-eight thousand, nine hundred seventy-one".