2311152155 has 16 divisors (see below), whose sum is σ = 2987911584. Its totient is φ = 1706016000.

The previous prime is 2311152133. The next prime is 2311152157. The reversal of 2311152155 is 5512511132.

It is a de Polignac number, because none of the positive numbers 2^k-2311152155 is a prime.

It is a super-2 number, since 2×2311152155² = 10682848567122288050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311152157) 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 15 ways as a sum of consecutive naturals, for example, 205847 + ... + 216783.

It is an arithmetic number, because the mean of its divisors is an integer number (186744474).

Almost surely, 2^2311152155 is an apocalyptic number.

2311152155 is a deficient number, since it is larger than the sum of its proper divisors (676759429).

2311152155 is a wasteful number, since it uses less digits than its factorization.

2311152155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206.

The product of its digits is 1500, while the sum is 26.

The square root of 2311152155 is about 48074.4438865391. The cubic root of 2311152155 is about 1322.1361484651.

Adding to 2311152155 its reverse (5512511132), we get a palindrome (7823663287).

The spelling of 2311152155 in words is "two billion, three hundred eleven million, one hundred fifty-two thousand, one hundred fifty-five".