2315641611 has 4 divisors (see below), whose sum is σ = 3087522152. Its totient is φ = 1543761072.

The previous prime is 2315641607. The next prime is 2315641649. The reversal of 2315641611 is 1161465132.

It is a happy number.

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

It is not a de Polignac number, because 2315641611 - 2² = 2315641607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315641711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385940266 + ... + 385940271.

It is an arithmetic number, because the mean of its divisors is an integer number (771880538).

Almost surely, 2^2315641611 is an apocalyptic number.

2315641611 is a deficient number, since it is larger than the sum of its proper divisors (771880541).

2315641611 is an equidigital number, since it uses as much as digits as its factorization.

2315641611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771880540.

The product of its digits is 4320, while the sum is 30.

The square root of 2315641611 is about 48121.1139833649. The cubic root of 2315641611 is about 1322.9916860822.

The spelling of 2315641611 in words is "two billion, three hundred fifteen million, six hundred forty-one thousand, six hundred eleven".