2103873155 has 8 divisors (see below), whose sum is σ = 2525051232. Its totient is φ = 1682829568.

The previous prime is 2103873143. The next prime is 2103873197. The reversal of 2103873155 is 5513783012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103873155 - 2³⁰ = 1030131331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4787 + ... + 65043.

It is an arithmetic number, because the mean of its divisors is an integer number (315631404).

Almost surely, 2^2103873155 is an apocalyptic number.

2103873155 is a deficient number, since it is larger than the sum of its proper divisors (421178077).

2103873155 is an equidigital number, since it uses as much as digits as its factorization.

2103873155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67245.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2103873155 is about 45867.9970676724. The cubic root of 2103873155 is about 1281.3659642650.

The spelling of 2103873155 in words is "two billion, one hundred three million, eight hundred seventy-three thousand, one hundred fifty-five".