102727271525 has 6 divisors (see below), whose sum is σ = 127381816722. Its totient is φ = 82181817200.

The previous prime is 102727271513. The next prime is 102727271533. The reversal of 102727271525 is 525172727201.

It can be written as a sum of positive squares in 3 ways, for example, as 1153757089 + 101573514436 = 33967^2 + 318706^2 .

It is not a de Polignac number, because 102727271525 - 2¹⁰ = 102727270501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2054545406 + ... + 2054545455.

It is an arithmetic number, because the mean of its divisors is an integer number (21230302787).

Almost surely, 2^102727271525 is an apocalyptic number.

It is an amenable number.

102727271525 is a deficient number, since it is larger than the sum of its proper divisors (24654545197).

102727271525 is an equidigital number, since it uses as much as digits as its factorization.

102727271525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109090871 (or 4109090866 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 41.

Adding to 102727271525 its reverse (525172727201), we get a palindrome (627899998726).

The spelling of 102727271525 in words is "one hundred two billion, seven hundred twenty-seven million, two hundred seventy-one thousand, five hundred twenty-five".