2661134115 has 16 divisors (see below), whose sum is σ = 4279432608. Its totient is φ = 1412065536.

The previous prime is 2661134111. The next prime is 2661134123. The reversal of 2661134115 is 5114311662.

It is a happy number.

It is not a de Polignac number, because 2661134115 - 2² = 2661134111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2661134111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447322 + ... + 453231.

It is an arithmetic number, because the mean of its divisors is an integer number (267464538).

Almost surely, 2^2661134115 is an apocalyptic number.

2661134115 is a deficient number, since it is larger than the sum of its proper divisors (1618298493).

2661134115 is a wasteful number, since it uses less digits than its factorization.

2661134115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900758.

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

The square root of 2661134115 is about 51586.1814345664. The cubic root of 2661134115 is about 1385.7628704428.

Adding to 2661134115 its reverse (5114311662), we get a palindrome (7775445777).

It can be divided in two parts, 26611 and 34115, that added together give a triangular number (60726 = T₃₄₈).

The spelling of 2661134115 in words is "two billion, six hundred sixty-one million, one hundred thirty-four thousand, one hundred fifteen".