43115130211 has 2 divisors, whose sum is σ = 43115130212. Its totient is φ = 43115130210.

The previous prime is 43115130203. The next prime is 43115130251. The reversal of 43115130211 is 11203151134.

It is a happy number.

43115130211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43115130211 - 2³ = 43115130203 is a prime.

It is a super-2 number, since 2×43115130211² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43115130251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21557565105 + 21557565106.

It is an arithmetic number, because the mean of its divisors is an integer number (21557565106).

Almost surely, 2^43115130211 is an apocalyptic number.

43115130211 is a deficient number, since it is larger than the sum of its proper divisors (1).

43115130211 is an equidigital number, since it uses as much as digits as its factorization.

43115130211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 43115130211 its reverse (11203151134), we get a palindrome (54318281345).

The spelling of 43115130211 in words is "forty-three billion, one hundred fifteen million, one hundred thirty thousand, two hundred eleven".