543015544225 has 96 divisors (see below), whose sum is σ = 850784403456. Its totient is φ = 333972806400.

The previous prime is 543015544223. The next prime is 543015544237. The reversal of 543015544225 is 522445510345.

It is not a de Polignac number, because 543015544225 - 2¹ = 543015544223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543015544223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 54917232 + ... + 54927118.

It is an arithmetic number, because the mean of its divisors is an integer number (8862337536).

Almost surely, 2^543015544225 is an apocalyptic number.

543015544225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543015544225 is a deficient number, since it is larger than the sum of its proper divisors (307768859231).

543015544225 is a wasteful number, since it uses less digits than its factorization.

543015544225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295 (or 10290 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 543015544225 in words is "five hundred forty-three billion, fifteen million, five hundred forty-four thousand, two hundred twenty-five".