213199257611 has 2 divisors, whose sum is σ = 213199257612. Its totient is φ = 213199257610.

The previous prime is 213199257529. The next prime is 213199257629. The reversal of 213199257611 is 116752991312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213199257611 - 2²² = 213195063307 is a prime.

It is not a weakly prime, because it can be changed into another prime (213199257671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106599628805 + 106599628806.

It is an arithmetic number, because the mean of its divisors is an integer number (106599628806).

Almost surely, 2^213199257611 is an apocalyptic number.

213199257611 is a deficient number, since it is larger than the sum of its proper divisors (1).

213199257611 is an equidigital number, since it uses as much as digits as its factorization.

213199257611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 47.

The spelling of 213199257611 in words is "two hundred thirteen billion, one hundred ninety-nine million, two hundred fifty-seven thousand, six hundred eleven".