2798655511 has 2 divisors, whose sum is σ = 2798655512. Its totient is φ = 2798655510.

The previous prime is 2798655499. The next prime is 2798655523. The reversal of 2798655511 is 1155568972.

It is a balanced prime because it is at equal distance from previous prime (2798655499) and next prime (2798655523).

It is a cyclic number.

It is not a de Polignac number, because 2798655511 - 2¹¹ = 2798653463 is a prime.

It is a super-2 number, since 2×2798655511² = 15664945338501342242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2798655581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399327755 + 1399327756.

It is an arithmetic number, because the mean of its divisors is an integer number (1399327756).

Almost surely, 2^2798655511 is an apocalyptic number.

2798655511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798655511 is an equidigital number, since it uses as much as digits as its factorization.

2798655511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 49.

The square root of 2798655511 is about 52902.3204689549. The cubic root of 2798655511 is about 1409.2341146848.

The spelling of 2798655511 in words is "two billion, seven hundred ninety-eight million, six hundred fifty-five thousand, five hundred eleven".