2153315155 has 4 divisors (see below), whose sum is σ = 2583978192. Its totient is φ = 1722652120.

The previous prime is 2153315147. The next prime is 2153315261. The reversal of 2153315155 is 5515133512.

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

It is not a de Polignac number, because 2153315155 - 2³ = 2153315147 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215331511 + ... + 215331520.

It is an arithmetic number, because the mean of its divisors is an integer number (645994548).

Almost surely, 2^2153315155 is an apocalyptic number.

2153315155 is a deficient number, since it is larger than the sum of its proper divisors (430663037).

2153315155 is an equidigital number, since it uses as much as digits as its factorization.

2153315155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430663036.

The product of its digits is 11250, while the sum is 31.

The square root of 2153315155 is about 46403.8269434753. The cubic root of 2153315155 is about 1291.3259117134.

Adding to 2153315155 its reverse (5515133512), we get a palindrome (7668448667).

The spelling of 2153315155 in words is "two billion, one hundred fifty-three million, three hundred fifteen thousand, one hundred fifty-five".