2135553203 has 32 divisors (see below), whose sum is σ = 2697216000. Its totient is φ = 1649561760.

The previous prime is 2135553157. The next prime is 2135553227. The reversal of 2135553203 is 3023555312.

It is not a de Polignac number, because 2135553203 - 2¹⁰ = 2135552179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135553263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238868 + ... + 247646.

It is an arithmetic number, because the mean of its divisors is an integer number (84288000).

Almost surely, 2^2135553203 is an apocalyptic number.

2135553203 is a deficient number, since it is larger than the sum of its proper divisors (561662797).

2135553203 is a wasteful number, since it uses less digits than its factorization.

2135553203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 2135553203 is about 46212.0460810815. The cubic root of 2135553203 is about 1287.7655373133.

The spelling of 2135553203 in words is "two billion, one hundred thirty-five million, five hundred fifty-three thousand, two hundred three".