2115283181 has 4 divisors (see below), whose sum is σ = 2307581664. Its totient is φ = 1922984700.

The previous prime is 2115283147. The next prime is 2115283201. The reversal of 2115283181 is 1813825112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2115283181 - 2⁶ = 2115283117 is a prime.

It is a super-2 number, since 2×2115283181² = 8948845871642957522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115283141) 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 in 3 ways as a sum of consecutive naturals, for example, 96149225 + ... + 96149246.

It is an arithmetic number, because the mean of its divisors is an integer number (576895416).

Almost surely, 2^2115283181 is an apocalyptic number.

It is an amenable number.

2115283181 is a deficient number, since it is larger than the sum of its proper divisors (192298483).

2115283181 is a wasteful number, since it uses less digits than its factorization.

2115283181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192298482.

The product of its digits is 3840, while the sum is 32.

The square root of 2115283181 is about 45992.2078291530. The cubic root of 2115283181 is about 1283.6782183354.

The spelling of 2115283181 in words is "two billion, one hundred fifteen million, two hundred eighty-three thousand, one hundred eighty-one".