102856522547 has 2 divisors, whose sum is σ = 102856522548. Its totient is φ = 102856522546.

The previous prime is 102856522523. The next prime is 102856522669. The reversal of 102856522547 is 745225658201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102856522547 - 2¹⁴ = 102856506163 is a prime.

It is not a weakly prime, because it can be changed into another prime (102856582547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51428261273 + 51428261274.

It is an arithmetic number, because the mean of its divisors is an integer number (51428261274).

Almost surely, 2^102856522547 is an apocalyptic number.

102856522547 is a deficient number, since it is larger than the sum of its proper divisors (1).

102856522547 is an equidigital number, since it uses as much as digits as its factorization.

102856522547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 102856522547 in words is "one hundred two billion, eight hundred fifty-six million, five hundred twenty-two thousand, five hundred forty-seven".