3120112111957 has 2 divisors, whose sum is σ = 3120112111958. Its totient is φ = 3120112111956.

The previous prime is 3120112111873. The next prime is 3120112112011. The reversal of 3120112111957 is 7591112110213.

3120112111957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2230814075281 + 889298036676 = 1493591^2 + 943026^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120112111957 - 2²³ = 3120103723349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120112411957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560056055978 + 1560056055979.

It is an arithmetic number, because the mean of its divisors is an integer number (1560056055979).

Almost surely, 2^{3120112111957} is an apocalyptic number.

It is an amenable number.

3120112111957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120112111957 is an equidigital number, since it uses as much as digits as its factorization.

3120112111957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 34.

The spelling of 3120112111957 in words is "three trillion, one hundred twenty billion, one hundred twelve million, one hundred eleven thousand, nine hundred fifty-seven".