101253565939 has 2 divisors, whose sum is σ = 101253565940. Its totient is φ = 101253565938.

The previous prime is 101253565879. The next prime is 101253565943. The reversal of 101253565939 is 939565352101.

It is a strong prime.

It is an emirp because it is prime and its reverse (939565352101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101253565939 - 2⁷ = 101253565811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101253565892 and 101253565901.

It is not a weakly prime, because it can be changed into another prime (101253565949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50626782969 + 50626782970.

It is an arithmetic number, because the mean of its divisors is an integer number (50626782970).

Almost surely, 2^101253565939 is an apocalyptic number.

101253565939 is a deficient number, since it is larger than the sum of its proper divisors (1).

101253565939 is an equidigital number, since it uses as much as digits as its factorization.

101253565939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1093500, while the sum is 49.

The spelling of 101253565939 in words is "one hundred one billion, two hundred fifty-three million, five hundred sixty-five thousand, nine hundred thirty-nine".