6311121071 has 2 divisors, whose sum is σ = 6311121072. Its totient is φ = 6311121070.

The previous prime is 6311121007. The next prime is 6311121127. The reversal of 6311121071 is 1701211136.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6311121071 - 2⁶ = 6311121007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6311121001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3155560535 + 3155560536.

It is an arithmetic number, because the mean of its divisors is an integer number (3155560536).

Almost surely, 2^6311121071 is an apocalyptic number.

6311121071 is a deficient number, since it is larger than the sum of its proper divisors (1).

6311121071 is an equidigital number, since it uses as much as digits as its factorization.

6311121071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 6311121071 is about 79442.5646048766. The cubic root of 6311121071 is about 1848.0008666399. Note that the first 3 decimals are identical.

The spelling of 6311121071 in words is "six billion, three hundred eleven million, one hundred twenty-one thousand, seventy-one".