2143503140522 has 16 divisors (see below), whose sum is σ = 3227865410952. Its totient is φ = 1067548262400.

The previous prime is 2143503140503. The next prime is 2143503140617. The reversal of 2143503140522 is 2250413053412.

It can be written as a sum of positive squares in 4 ways, for example, as 2126781805801 + 16721334721 = 1458349^2 + 129311^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32592272 + ... + 32657972.

Almost surely, 2^{2143503140522} is an apocalyptic number.

2143503140522 is a deficient number, since it is larger than the sum of its proper divisors (1084362270430).

2143503140522 is a wasteful number, since it uses less digits than its factorization.

2143503140522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129433.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2143503140522 its reverse (2250413053412), we get a palindrome (4393916193934).

The spelling of 2143503140522 in words is "two trillion, one hundred forty-three billion, five hundred three million, one hundred forty thousand, five hundred twenty-two".