225501455121533 has 8 divisors (see below), whose sum is σ = 226316402778840. Its totient is φ = 224686513673280.

The previous prime is 225501455121499. The next prime is 225501455121539. The reversal of 225501455121533 is 335121554105522.

It can be written as a sum of positive squares in 4 ways, for example, as 20495557948804 + 205005897172729 = 4527202^2 + 14318027^2 .

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

It is not a de Polignac number, because 225501455121533 - 2¹⁴ = 225501455105149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225501455121539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78697823 + ... + 81512883.

It is an arithmetic number, because the mean of its divisors is an integer number (28289550347355).

Almost surely, 2^{225501455121533} is an apocalyptic number.

It is an amenable number.

225501455121533 is a deficient number, since it is larger than the sum of its proper divisors (814947657307).

225501455121533 is a wasteful number, since it uses less digits than its factorization.

225501455121533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104527.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 225501455121533 in words is "two hundred twenty-five trillion, five hundred one billion, four hundred fifty-five million, one hundred twenty-one thousand, five hundred thirty-three".