7106661443087 has 2 divisors, whose sum is σ = 7106661443088. Its totient is φ = 7106661443086.

The previous prime is 7106661443069. The next prime is 7106661443129. The reversal of 7106661443087 is 7803441666017.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7803441666017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7106661443087 - 2²⁶ = 7106594334223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7106661443047) 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 as a sum of consecutive naturals, namely, 3553330721543 + 3553330721544.

It is an arithmetic number, because the mean of its divisors is an integer number (3553330721544).

Almost surely, 2^{7106661443087} is an apocalyptic number.

7106661443087 is a deficient number, since it is larger than the sum of its proper divisors (1).

7106661443087 is an equidigital number, since it uses as much as digits as its factorization.

7106661443087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 7106661443087 in words is "seven trillion, one hundred six billion, six hundred sixty-one million, four hundred forty-three thousand, eighty-seven".