10105521561607 has 2 divisors, whose sum is σ = 10105521561608. Its totient is φ = 10105521561606.

The previous prime is 10105521561601. The next prime is 10105521561631. The reversal of 10105521561607 is 70616512550101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10105521561607 - 2³ = 10105521561599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10105521561607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10105521561601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052760780803 + 5052760780804.

It is an arithmetic number, because the mean of its divisors is an integer number (5052760780804).

Almost surely, 2^{10105521561607} is an apocalyptic number.

10105521561607 is a deficient number, since it is larger than the sum of its proper divisors (1).

10105521561607 is an equidigital number, since it uses as much as digits as its factorization.

10105521561607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 10105521561607 in words is "ten trillion, one hundred five billion, five hundred twenty-one million, five hundred sixty-one thousand, six hundred seven".