2311152605 has 16 divisors (see below), whose sum is σ = 2880254784. Its totient is φ = 1778958720.

The previous prime is 2311152589. The next prime is 2311152617. The reversal of 2311152605 is 5062511132.

2311152605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2311152605 - 2⁴ = 2311152589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 65816 + ... + 94625.

It is an arithmetic number, because the mean of its divisors is an integer number (180015924).

Almost surely, 2^2311152605 is an apocalyptic number.

It is an amenable number.

2311152605 is a deficient number, since it is larger than the sum of its proper divisors (569102179).

2311152605 is a wasteful number, since it uses less digits than its factorization.

2311152605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160556.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2311152605 is about 48074.4485667803. The cubic root of 2311152605 is about 1322.1362342753.

Adding to 2311152605 its reverse (5062511132), we get a palindrome (7373663737).

The spelling of 2311152605 in words is "two billion, three hundred eleven million, one hundred fifty-two thousand, six hundred five".