211453361113 has 2 divisors, whose sum is σ = 211453361114. Its totient is φ = 211453361112.

The previous prime is 211453361083. The next prime is 211453361129. The reversal of 211453361113 is 311163354112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196472335504 + 14981025609 = 443252^2 + 122397^2 .

It is a cyclic number.

It is not a de Polignac number, because 211453361113 - 2⁵ = 211453361081 is a prime.

It is not a weakly prime, because it can be changed into another prime (211453361213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105726680556 + 105726680557.

It is an arithmetic number, because the mean of its divisors is an integer number (105726680557).

Almost surely, 2^211453361113 is an apocalyptic number.

It is an amenable number.

211453361113 is a deficient number, since it is larger than the sum of its proper divisors (1).

211453361113 is an equidigital number, since it uses as much as digits as its factorization.

211453361113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The spelling of 211453361113 in words is "two hundred eleven billion, four hundred fifty-three million, three hundred sixty-one thousand, one hundred thirteen".