2115651119 has 2 divisors, whose sum is σ = 2115651120. Its totient is φ = 2115651118.

The previous prime is 2115651101. The next prime is 2115651169. The reversal of 2115651119 is 9111565112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2115651119 - 2⁸ = 2115650863 is a prime.

It is a super-2 number, since 2×2115651119² = 8951959314651904322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115651169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057825559 + 1057825560.

It is an arithmetic number, because the mean of its divisors is an integer number (1057825560).

Almost surely, 2^2115651119 is an apocalyptic number.

2115651119 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115651119 is an equidigital number, since it uses as much as digits as its factorization.

2115651119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 32.

The square root of 2115651119 is about 45996.2076588929. The cubic root of 2115651119 is about 1283.7526428251.

The spelling of 2115651119 in words is "two billion, one hundred fifteen million, six hundred fifty-one thousand, one hundred nineteen".