213053185571 has 2 divisors, whose sum is σ = 213053185572. Its totient is φ = 213053185570.

The previous prime is 213053185567. The next prime is 213053185643. The reversal of 213053185571 is 175581350312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213053185571 - 2² = 213053185567 is a prime.

It is not a weakly prime, because it can be changed into another prime (213053185561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106526592785 + 106526592786.

It is an arithmetic number, because the mean of its divisors is an integer number (106526592786).

Almost surely, 2^213053185571 is an apocalyptic number.

213053185571 is a deficient number, since it is larger than the sum of its proper divisors (1).

213053185571 is an equidigital number, since it uses as much as digits as its factorization.

213053185571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 213053185571 in words is "two hundred thirteen billion, fifty-three million, one hundred eighty-five thousand, five hundred seventy-one".