2143115355 has 16 divisors (see below), whose sum is σ = 3609457920. Its totient is φ = 1082837088.

The previous prime is 2143115339. The next prime is 2143115357. The reversal of 2143115355 is 5535113412.

It is not a de Polignac number, because 2143115355 - 2⁴ = 2143115339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143115357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3759567 + ... + 3760136.

It is an arithmetic number, because the mean of its divisors is an integer number (225591120).

Almost surely, 2^2143115355 is an apocalyptic number.

2143115355 is a deficient number, since it is larger than the sum of its proper divisors (1466342565).

2143115355 is a wasteful number, since it uses less digits than its factorization.

2143115355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519730.

The product of its digits is 9000, while the sum is 30.

The square root of 2143115355 is about 46293.7939145195. The cubic root of 2143115355 is about 1289.2837710313.

Adding to 2143115355 its reverse (5535113412), we get a palindrome (7678228767).

The spelling of 2143115355 in words is "two billion, one hundred forty-three million, one hundred fifteen thousand, three hundred fifty-five".