6615111101659 has 2 divisors, whose sum is σ = 6615111101660. Its totient is φ = 6615111101658.

The previous prime is 6615111101593. The next prime is 6615111101663. The reversal of 6615111101659 is 9561011115166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6615111101659 - 2¹³ = 6615111093467 is a prime.

It is not a weakly prime, because it can be changed into another prime (6615111401659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3307555550829 + 3307555550830.

It is an arithmetic number, because the mean of its divisors is an integer number (3307555550830).

Almost surely, 2^{6615111101659} is an apocalyptic number.

6615111101659 is a deficient number, since it is larger than the sum of its proper divisors (1).

6615111101659 is an equidigital number, since it uses as much as digits as its factorization.

6615111101659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 43.

The spelling of 6615111101659 in words is "six trillion, six hundred fifteen billion, one hundred eleven million, one hundred one thousand, six hundred fifty-nine".