2115034555 has 4 divisors (see below), whose sum is σ = 2538041472. Its totient is φ = 1692027640.

The previous prime is 2115034553. The next prime is 2115034561. The reversal of 2115034555 is 5554305112.

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

It is not a de Polignac number, because 2115034555 - 2¹ = 2115034553 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115034553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211503451 + ... + 211503460.

It is an arithmetic number, because the mean of its divisors is an integer number (634510368).

Almost surely, 2^2115034555 is an apocalyptic number.

2115034555 is a deficient number, since it is larger than the sum of its proper divisors (423006917).

2115034555 is an equidigital number, since it uses as much as digits as its factorization.

2115034555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423006916.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 2115034555 is about 45989.5048353426. The cubic root of 2115034555 is about 1283.6279227393.

Adding to 2115034555 its reverse (5554305112), we get a palindrome (7669339667).

The spelling of 2115034555 in words is "two billion, one hundred fifteen million, thirty-four thousand, five hundred fifty-five".