225120553015 has 8 divisors (see below), whose sum is σ = 270275623488. Its totient is φ = 180009135840.

The previous prime is 225120553003. The next prime is 225120553043. The reversal of 225120553015 is 510355021522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225120553015 - 2³⁷ = 87681599543 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 10901976 + ... + 10922605.

It is an arithmetic number, because the mean of its divisors is an integer number (33784452936).

Almost surely, 2^225120553015 is an apocalyptic number.

225120553015 is a deficient number, since it is larger than the sum of its proper divisors (45155070473).

225120553015 is a wasteful number, since it uses less digits than its factorization.

225120553015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21826649.

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

Adding to 225120553015 its reverse (510355021522), we get a palindrome (735475574537).

The spelling of 225120553015 in words is "two hundred twenty-five billion, one hundred twenty million, five hundred fifty-three thousand, fifteen".