2165045049119 has 2 divisors, whose sum is σ = 2165045049120. Its totient is φ = 2165045049118.

The previous prime is 2165045049029. The next prime is 2165045049131. The reversal of 2165045049119 is 9119405405612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2165045049119 - 2¹⁶ = 2165044983583 is a prime.

It is a super-2 number, since 2×2165045049119² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2165045049149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082522524559 + 1082522524560.

It is an arithmetic number, because the mean of its divisors is an integer number (1082522524560).

Almost surely, 2^{2165045049119} is an apocalyptic number.

2165045049119 is a deficient number, since it is larger than the sum of its proper divisors (1).

2165045049119 is an equidigital number, since it uses as much as digits as its factorization.

2165045049119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 2165045049119 in words is "two trillion, one hundred sixty-five billion, forty-five million, forty-nine thousand, one hundred nineteen".