2111320273057 has 2 divisors, whose sum is σ = 2111320273058. Its totient is φ = 2111320273056.

The previous prime is 2111320273001. The next prime is 2111320273061. The reversal of 2111320273057 is 7503720231112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1243918626721 + 867401646336 = 1115311^2 + 931344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111320273057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111320273087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055660136528 + 1055660136529.

It is an arithmetic number, because the mean of its divisors is an integer number (1055660136529).

Almost surely, 2^{2111320273057} is an apocalyptic number.

It is an amenable number.

2111320273057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111320273057 is an equidigital number, since it uses as much as digits as its factorization.

2111320273057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 2111320273057 in words is "two trillion, one hundred eleven billion, three hundred twenty million, two hundred seventy-three thousand, fifty-seven".