102534368861 has 2 divisors, whose sum is σ = 102534368862. Its totient is φ = 102534368860.

The previous prime is 102534368843. The next prime is 102534368891. The reversal of 102534368861 is 168863435201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96478572100 + 6055796761 = 310610^2 + 77819^2 .

It is a cyclic number.

It is not a de Polignac number, because 102534368861 - 2¹⁴ = 102534352477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102534368801) 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, 51267184430 + 51267184431.

It is an arithmetic number, because the mean of its divisors is an integer number (51267184431).

Almost surely, 2^102534368861 is an apocalyptic number.

It is an amenable number.

102534368861 is a deficient number, since it is larger than the sum of its proper divisors (1).

102534368861 is an equidigital number, since it uses as much as digits as its factorization.

102534368861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 102534368861 in words is "one hundred two billion, five hundred thirty-four million, three hundred sixty-eight thousand, eight hundred sixty-one".