2111504516279 has 2 divisors, whose sum is σ = 2111504516280. Its totient is φ = 2111504516278.

The previous prime is 2111504516207. The next prime is 2111504516287. The reversal of 2111504516279 is 9726154051112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111504516279 - 2³⁶ = 2042785039543 is a prime.

It is a super-2 number, since 2×2111504516279² (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 (2111504216279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055752258139 + 1055752258140.

It is an arithmetic number, because the mean of its divisors is an integer number (1055752258140).

Almost surely, 2^{2111504516279} is an apocalyptic number.

2111504516279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111504516279 is an equidigital number, since it uses as much as digits as its factorization.

2111504516279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 44.

The spelling of 2111504516279 in words is "two trillion, one hundred eleven billion, five hundred four million, five hundred sixteen thousand, two hundred seventy-nine".