2641158012217 has 4 divisors (see below), whose sum is σ = 2641167818640. Its totient is φ = 2641148205796.

The previous prime is 2641158012203. The next prime is 2641158012253. The reversal of 2641158012217 is 7122108511462.

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 a de Polignac number, because none of the positive numbers 2^k-2641158012217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2641158012217.

It is not an unprimeable number, because it can be changed into a prime (2641158012257) 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 3 ways as a sum of consecutive naturals, for example, 4487467 + ... + 5041792.

It is an arithmetic number, because the mean of its divisors is an integer number (660291954660).

Almost surely, 2^{2641158012217} is an apocalyptic number.

It is an amenable number.

2641158012217 is a deficient number, since it is larger than the sum of its proper divisors (9806423).

2641158012217 is an equidigital number, since it uses as much as digits as its factorization.

2641158012217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9806422.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 2641158012217 in words is "two trillion, six hundred forty-one billion, one hundred fifty-eight million, twelve thousand, two hundred seventeen".