225151215155 has 8 divisors (see below), whose sum is σ = 275279221872. Its totient is φ = 176722463008.

The previous prime is 225151215143. The next prime is 225151215181. The reversal of 225151215155 is 551512151522.

225151215155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225151215155 - 2²⁸ = 224882779699 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424813349 + ... + 424813878.

It is an arithmetic number, because the mean of its divisors is an integer number (34409902734).

Almost surely, 2^225151215155 is an apocalyptic number.

225151215155 is a deficient number, since it is larger than the sum of its proper divisors (50128006717).

225151215155 is an equidigital number, since it uses as much as digits as its factorization.

225151215155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849627285.

The product of its digits is 25000, while the sum is 35.

Adding to 225151215155 its reverse (551512151522), we get a palindrome (776663366677).

The spelling of 225151215155 in words is "two hundred twenty-five billion, one hundred fifty-one million, two hundred fifteen thousand, one hundred fifty-five".