102985279571 has 2 divisors, whose sum is σ = 102985279572. Its totient is φ = 102985279570.

The previous prime is 102985279559. The next prime is 102985279633. The reversal of 102985279571 is 175972589201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102985279571 - 2³⁰ = 101911537747 is a prime.

It is not a weakly prime, because it can be changed into another prime (102985279471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51492639785 + 51492639786.

It is an arithmetic number, because the mean of its divisors is an integer number (51492639786).

Almost surely, 2^102985279571 is an apocalyptic number.

102985279571 is a deficient number, since it is larger than the sum of its proper divisors (1).

102985279571 is an equidigital number, since it uses as much as digits as its factorization.

102985279571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 56.

The spelling of 102985279571 in words is "one hundred two billion, nine hundred eighty-five million, two hundred seventy-nine thousand, five hundred seventy-one".