102876713521 has 2 divisors, whose sum is σ = 102876713522. Its totient is φ = 102876713520.

The previous prime is 102876713503. The next prime is 102876713671. The reversal of 102876713521 is 125317678201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102717045025 + 159668496 = 320495^2 + 12636^2 .

It is an emirp because it is prime and its reverse (125317678201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102876713521 - 2¹¹ = 102876711473 is a prime.

It is not a weakly prime, because it can be changed into another prime (102876813521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51438356760 + 51438356761.

It is an arithmetic number, because the mean of its divisors is an integer number (51438356761).

Almost surely, 2^102876713521 is an apocalyptic number.

It is an amenable number.

102876713521 is a deficient number, since it is larger than the sum of its proper divisors (1).

102876713521 is an equidigital number, since it uses as much as digits as its factorization.

102876713521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 102876713521 in words is "one hundred two billion, eight hundred seventy-six million, seven hundred thirteen thousand, five hundred twenty-one".