6015001116561 has 4 divisors (see below), whose sum is σ = 8020001488752. Its totient is φ = 4010000744372.

The previous prime is 6015001116517. The next prime is 6015001116563. The reversal of 6015001116561 is 1656111005106.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6015001116561 - 2⁹ = 6015001116049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6015001116563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002500186091 + ... + 1002500186096.

It is an arithmetic number, because the mean of its divisors is an integer number (2005000372188).

Almost surely, 2^{6015001116561} is an apocalyptic number.

It is an amenable number.

6015001116561 is a deficient number, since it is larger than the sum of its proper divisors (2005000372191).

6015001116561 is a wasteful number, since it uses less digits than its factorization.

6015001116561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005000372190.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 6015001116561 in words is "six trillion, fifteen billion, one million, one hundred sixteen thousand, five hundred sixty-one".