2143053515 has 16 divisors (see below), whose sum is σ = 2584988640. Its totient is φ = 1705585920.

The previous prime is 2143053509. The next prime is 2143053547. The reversal of 2143053515 is 5153503412.

It is not a de Polignac number, because 2143053515 - 2⁸ = 2143053259 is a prime.

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, 887660 + ... + 890070.

It is an arithmetic number, because the mean of its divisors is an integer number (161561790).

Almost surely, 2^2143053515 is an apocalyptic number.

2143053515 is a deficient number, since it is larger than the sum of its proper divisors (441935125).

2143053515 is a wasteful number, since it uses less digits than its factorization.

2143053515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2143053515 is about 46293.1260015998. The cubic root of 2143053515 is about 1289.2713700695.

Adding to 2143053515 its reverse (5153503412), we get a palindrome (7296556927).

The spelling of 2143053515 in words is "two billion, one hundred forty-three million, fifty-three thousand, five hundred fifteen".