7101660005505 has 48 divisors (see below), whose sum is σ = 13270520639376. Its totient is φ = 3492486167040.

The previous prime is 7101660005441. The next prime is 7101660005549. The reversal of 7101660005505 is 5055000661017.

It can be written as a sum of positive squares in 8 ways, for example, as 1432722817296 + 5668937188209 = 1196964^2 + 2380953^2 .

It is not a de Polignac number, because 7101660005505 - 2⁶ = 7101660005441 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7101660005505.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5899882 + ... + 7000851.

It is an arithmetic number, because the mean of its divisors is an integer number (276469179987).

Almost surely, 2^{7101660005505} is an apocalyptic number.

It is an amenable number.

7101660005505 is a deficient number, since it is larger than the sum of its proper divisors (6168860633871).

7101660005505 is a wasteful number, since it uses less digits than its factorization.

7101660005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12901698 (or 12901695 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 7101660005505 in words is "seven trillion, one hundred one billion, six hundred sixty million, five thousand, five hundred five".