101206253641 has 2 divisors, whose sum is σ = 101206253642. Its totient is φ = 101206253640.

The previous prime is 101206253597. The next prime is 101206253669. The reversal of 101206253641 is 146352602101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76673610000 + 24532643641 = 276900^2 + 156629^2 .

It is a cyclic number.

It is not a de Polignac number, because 101206253641 - 2¹¹ = 101206251593 is a prime.

It is not a weakly prime, because it can be changed into another prime (101206253671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50603126820 + 50603126821.

It is an arithmetic number, because the mean of its divisors is an integer number (50603126821).

Almost surely, 2^101206253641 is an apocalyptic number.

It is an amenable number.

101206253641 is a deficient number, since it is larger than the sum of its proper divisors (1).

101206253641 is an equidigital number, since it uses as much as digits as its factorization.

101206253641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 101206253641 its reverse (146352602101), we get a palindrome (247558855742).

The spelling of 101206253641 in words is "one hundred one billion, two hundred six million, two hundred fifty-three thousand, six hundred forty-one".