20525152364113 has 2 divisors, whose sum is σ = 20525152364114. Its totient is φ = 20525152364112.

The previous prime is 20525152364071. The next prime is 20525152364147. The reversal of 20525152364113 is 31146325152502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10766982190864 + 9758170173249 = 3281308^2 + 3123807^2 .

It is a cyclic number.

It is not a de Polignac number, because 20525152364113 - 2¹⁷ = 20525152233041 is a prime.

It is not a weakly prime, because it can be changed into another prime (20525152364153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10262576182056 + 10262576182057.

It is an arithmetic number, because the mean of its divisors is an integer number (10262576182057).

Almost surely, 2^{20525152364113} is an apocalyptic number.

It is an amenable number.

20525152364113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20525152364113 is an equidigital number, since it uses as much as digits as its factorization.

20525152364113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 20525152364113 in words is "twenty trillion, five hundred twenty-five billion, one hundred fifty-two million, three hundred sixty-four thousand, one hundred thirteen".