2135508503 has 4 divisors (see below), whose sum is σ = 2136450288. Its totient is φ = 2134566720.

The previous prime is 2135508491. The next prime is 2135508511. The reversal of 2135508503 is 3058055312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2135508503 - 2³⁰ = 1061766679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2135508503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135508593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467483 + ... + 472028.

It is an arithmetic number, because the mean of its divisors is an integer number (534112572).

Almost surely, 2^2135508503 is an apocalyptic number.

2135508503 is a deficient number, since it is larger than the sum of its proper divisors (941785).

2135508503 is an equidigital number, since it uses as much as digits as its factorization.

2135508503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941784.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2135508503 is about 46211.5624384201. The cubic root of 2135508503 is about 1287.7565523626.

The spelling of 2135508503 in words is "two billion, one hundred thirty-five million, five hundred eight thousand, five hundred three".