2725115105 has 4 divisors (see below), whose sum is σ = 3270138132. Its totient is φ = 2180092080.

The previous prime is 2725115101. The next prime is 2725115117. The reversal of 2725115105 is 5015115272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1600720081 + 1124395024 = 40009^2 + 33532^2 .

It is not a de Polignac number, because 2725115105 - 2² = 2725115101 is a prime.

It is a super-2 number, since 2×2725115105² = 14852504670998322050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2725115101) 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, 272511506 + ... + 272511515.

It is an arithmetic number, because the mean of its divisors is an integer number (817534533).

Almost surely, 2^2725115105 is an apocalyptic number.

It is an amenable number.

2725115105 is a deficient number, since it is larger than the sum of its proper divisors (545023027).

2725115105 is an equidigital number, since it uses as much as digits as its factorization.

2725115105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545023026.

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 2725115105 is about 52202.6350388560. The cubic root of 2725115105 is about 1396.7808869158.

The spelling of 2725115105 in words is "two billion, seven hundred twenty-five million, one hundred fifteen thousand, one hundred five".