211232323010957 has 2 divisors, whose sum is σ = 211232323010958. Its totient is φ = 211232323010956.

The previous prime is 211232323010909. The next prime is 211232323011097. The reversal of 211232323010957 is 759010323232112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173802325594921 + 37429997416036 = 13183411^2 + 6118006^2 .

It is a cyclic number.

It is not a de Polignac number, because 211232323010957 - 2³² = 211228028043661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211232323010257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105616161505478 + 105616161505479.

It is an arithmetic number, because the mean of its divisors is an integer number (105616161505479).

Almost surely, 2^{211232323010957} is an apocalyptic number.

It is an amenable number.

211232323010957 is a deficient number, since it is larger than the sum of its proper divisors (1).

211232323010957 is an equidigital number, since it uses as much as digits as its factorization.

211232323010957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 211232323010957 in words is "two hundred eleven trillion, two hundred thirty-two billion, three hundred twenty-three million, ten thousand, nine hundred fifty-seven".