101075207719609 has 2 divisors, whose sum is σ = 101075207719610. Its totient is φ = 101075207719608.

The previous prime is 101075207719583. The next prime is 101075207719691. The reversal of 101075207719609 is 906917702570101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65011243332025 + 36063964387584 = 8062955^2 + 6005328^2 .

It is a cyclic number.

It is not a de Polignac number, because 101075207719609 - 2³³ = 101066617785017 is a prime.

It is a super-2 number, since 2×101075207719609² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101075207719609.

It is not a weakly prime, because it can be changed into another prime (101075204719609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50537603859804 + 50537603859805.

It is an arithmetic number, because the mean of its divisors is an integer number (50537603859805).

Almost surely, 2^{101075207719609} is an apocalyptic number.

It is an amenable number.

101075207719609 is a deficient number, since it is larger than the sum of its proper divisors (1).

101075207719609 is an equidigital number, since it uses as much as digits as its factorization.

101075207719609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1666980, while the sum is 55.

The spelling of 101075207719609 in words is "one hundred one trillion, seventy-five billion, two hundred seven million, seven hundred nineteen thousand, six hundred nine".