2213153155165 has 32 divisors (see below), whose sum is σ = 2710111229280. Its totient is φ = 1734547046400.

The previous prime is 2213153155139. The next prime is 2213153155181. The reversal of 2213153155165 is 5615513513122.

It can be written as a sum of positive squares in 16 ways, for example, as 520921619001 + 1692231536164 = 721749^2 + 1300858^2 .

It is not a de Polignac number, because 2213153155165 - 2¹³ = 2213153146973 is a prime.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 104932941 + ... + 104954029.

It is an arithmetic number, because the mean of its divisors is an integer number (84690975915).

Almost surely, 2^{2213153155165} is an apocalyptic number.

It is an amenable number.

2213153155165 is a deficient number, since it is larger than the sum of its proper divisors (496958074115).

2213153155165 is a wasteful number, since it uses less digits than its factorization.

2213153155165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22513.

The product of its digits is 135000, while the sum is 40.

Adding to 2213153155165 its reverse (5615513513122), we get a palindrome (7828666668287).

The spelling of 2213153155165 in words is "two trillion, two hundred thirteen billion, one hundred fifty-three million, one hundred fifty-five thousand, one hundred sixty-five".