2181153119 has 2 divisors, whose sum is σ = 2181153120. Its totient is φ = 2181153118.

The previous prime is 2181153083. The next prime is 2181153167. The reversal of 2181153119 is 9113511812.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2181153119 - 2⁸ = 2181152863 is a prime.

It is a super-2 number, since 2×2181153119² = 9514857857046856322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2181153179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1090576559 + 1090576560.

It is an arithmetic number, because the mean of its divisors is an integer number (1090576560).

Almost surely, 2^2181153119 is an apocalyptic number.

2181153119 is a deficient number, since it is larger than the sum of its proper divisors (1).

2181153119 is an equidigital number, since it uses as much as digits as its factorization.

2181153119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 32.

The square root of 2181153119 is about 46702.8170349498. The cubic root of 2181153119 is about 1296.8668371976.

The spelling of 2181153119 in words is "two billion, one hundred eighty-one million, one hundred fifty-three thousand, one hundred nineteen".