2112051655157 has 2 divisors, whose sum is σ = 2112051655158. Its totient is φ = 2112051655156.

The previous prime is 2112051655013. The next prime is 2112051655171. The reversal of 2112051655157 is 7515561502112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1379793225316 + 732258429841 = 1174646^2 + 855721^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112051655157 - 2¹⁰ = 2112051654133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112051655187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056025827578 + 1056025827579.

It is an arithmetic number, because the mean of its divisors is an integer number (1056025827579).

Almost surely, 2^{2112051655157} is an apocalyptic number.

It is an amenable number.

2112051655157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112051655157 is an equidigital number, since it uses as much as digits as its factorization.

2112051655157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105000, while the sum is 41.

The spelling of 2112051655157 in words is "two trillion, one hundred twelve billion, fifty-one million, six hundred fifty-five thousand, one hundred fifty-seven".