225144515555 has 8 divisors (see below), whose sum is σ = 284393072400. Its totient is φ = 170635843296.

The previous prime is 225144515537. The next prime is 225144515591. The reversal of 225144515555 is 555515441522.

It is a happy number.

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 225144515555 - 2²² = 225140321251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184971040 + ... + 1184971229.

It is an arithmetic number, because the mean of its divisors is an integer number (35549134050).

Almost surely, 2^225144515555 is an apocalyptic number.

225144515555 is a deficient number, since it is larger than the sum of its proper divisors (59248556845).

225144515555 is a wasteful number, since it uses less digits than its factorization.

225144515555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369942293.

The product of its digits is 1000000, while the sum is 44.

The spelling of 225144515555 in words is "two hundred twenty-five billion, one hundred forty-four million, five hundred fifteen thousand, five hundred fifty-five".