8115861897001 has 8 divisors (see below), whose sum is σ = 8150206803840. Its totient is φ = 8081520218352.

The previous prime is 8115861896971. The next prime is 8115861897067. The reversal of 8115861897001 is 1007981685118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8115861897001 - 2¹⁷ = 8115861765929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8115861892001) 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 in 7 ways as a sum of consecutive naturals, for example, 4299931 + ... + 5892463.

It is an arithmetic number, because the mean of its divisors is an integer number (1018775850480).

Almost surely, 2^{8115861897001} is an apocalyptic number.

It is an amenable number.

8115861897001 is a deficient number, since it is larger than the sum of its proper divisors (34344906839).

8115861897001 is a wasteful number, since it uses less digits than its factorization.

8115861897001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614095.

The product of its (nonzero) digits is 967680, while the sum is 55.

The spelling of 8115861897001 in words is "eight trillion, one hundred fifteen billion, eight hundred sixty-one million, eight hundred ninety-seven thousand, one".