2115325553 has 4 divisors (see below), whose sum is σ = 2307627888. Its totient is φ = 1923023220.

The previous prime is 2115325493. The next prime is 2115325561. The reversal of 2115325553 is 3555235112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2115325553 - 2¹⁰ = 2115324529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115325753) 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, 96151151 + ... + 96151172.

It is an arithmetic number, because the mean of its divisors is an integer number (576906972).

Almost surely, 2^2115325553 is an apocalyptic number.

It is an amenable number.

2115325553 is a deficient number, since it is larger than the sum of its proper divisors (192302335).

2115325553 is a wasteful number, since it uses less digits than its factorization.

2115325553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192302334.

The product of its digits is 22500, while the sum is 32.

The square root of 2115325553 is about 45992.6684700942. The cubic root of 2115325553 is about 1283.6867895519.

The spelling of 2115325553 in words is "two billion, one hundred fifteen million, three hundred twenty-five thousand, five hundred fifty-three".