2775120941897 has 2 divisors, whose sum is σ = 2775120941898. Its totient is φ = 2775120941896.

The previous prime is 2775120941851. The next prime is 2775120941903. The reversal of 2775120941897 is 7981490215772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2202149153296 + 572971788601 = 1483964^2 + 756949^2 .

It is a cyclic number.

It is not a de Polignac number, because 2775120941897 - 2²⁰ = 2775119893321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2775120931897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387560470948 + 1387560470949.

It is an arithmetic number, because the mean of its divisors is an integer number (1387560470949).

Almost surely, 2^{2775120941897} is an apocalyptic number.

It is an amenable number.

2775120941897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775120941897 is an equidigital number, since it uses as much as digits as its factorization.

2775120941897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17781120, while the sum is 62.

The spelling of 2775120941897 in words is "two trillion, seven hundred seventy-five billion, one hundred twenty million, nine hundred forty-one thousand, eight hundred ninety-seven".