543543415535425 has 24 divisors (see below), whose sum is σ = 709637048501600. Its totient is φ = 411850069274880.

The previous prime is 543543415535401. The next prime is 543543415535431. The reversal of 543543415535425 is 524535514345345.

It is a de Polignac number, because none of the positive numbers 2^k-543543415535425 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 543543415535425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134992455 + ... + 138960604.

Almost surely, 2^{543543415535425} is an apocalyptic number.

It is an amenable number.

543543415535425 is a deficient number, since it is larger than the sum of its proper divisors (166093632966175).

543543415535425 is a wasteful number, since it uses less digits than its factorization.

543543415535425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273957265 (or 273957260 counting only the distinct ones).

The product of its digits is 216000000, while the sum is 58.

The spelling of 543543415535425 in words is "five hundred forty-three trillion, five hundred forty-three billion, four hundred fifteen million, five hundred thirty-five thousand, four hundred twenty-five".