2115041305 has 16 divisors (see below), whose sum is σ = 2744645904. Its totient is φ = 1555384320.

The previous prime is 2115041261. The next prime is 2115041329. The reversal of 2115041305 is 5031405112.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 145161 + 2114896144 = 381^2 + 45988^2 .

It is not a de Polignac number, because 2115041305 - 2⁷ = 2115041177 is a prime.

It is a super-2 number, since 2×2115041305² = 8946799443712206050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51844 + ... + 83173.

It is an arithmetic number, because the mean of its divisors is an integer number (171540369).

Almost surely, 2^2115041305 is an apocalyptic number.

It is an amenable number.

2115041305 is a deficient number, since it is larger than the sum of its proper divisors (629604599).

2115041305 is a wasteful number, since it uses less digits than its factorization.

2115041305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135276.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2115041305 is about 45989.5782215928. The cubic root of 2115041305 is about 1283.6292882771.

Adding to 2115041305 its reverse (5031405112), we get a palindrome (7146446417).

The spelling of 2115041305 in words is "two billion, one hundred fifteen million, forty-one thousand, three hundred five".