101263636552109 has 2 divisors, whose sum is σ = 101263636552110. Its totient is φ = 101263636552108.

The previous prime is 101263636552049. The next prime is 101263636552121. The reversal of 101263636552109 is 901255636362101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72360916536484 + 28902720015625 = 8506522^2 + 5376125^2 .

It is a cyclic number.

It is not a de Polignac number, because 101263636552109 - 2⁸ = 101263636551853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101263636552159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50631818276054 + 50631818276055.

It is an arithmetic number, because the mean of its divisors is an integer number (50631818276055).

Almost surely, 2^{101263636552109} is an apocalyptic number.

It is an amenable number.

101263636552109 is a deficient number, since it is larger than the sum of its proper divisors (1).

101263636552109 is an equidigital number, since it uses as much as digits as its factorization.

101263636552109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 101263636552109 in words is "one hundred one trillion, two hundred sixty-three billion, six hundred thirty-six million, five hundred fifty-two thousand, one hundred nine".