543106523545 has 4 divisors (see below), whose sum is σ = 651727828260. Its totient is φ = 434485218832.

The previous prime is 543106523539. The next prime is 543106523569. The reversal of 543106523545 is 545325601345.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176263106569 + 366843416976 = 419837^2 + 605676^2 .

It is a cyclic number.

It is not a de Polignac number, because 543106523545 - 2²¹ = 543104426393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54310652350 + ... + 54310652359.

It is an arithmetic number, because the mean of its divisors is an integer number (162931957065).

Almost surely, 2^543106523545 is an apocalyptic number.

It is an amenable number.

543106523545 is a deficient number, since it is larger than the sum of its proper divisors (108621304715).

543106523545 is a wasteful number, since it uses less digits than its factorization.

543106523545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108621304714.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 543106523545 in words is "five hundred forty-three billion, one hundred six million, five hundred twenty-three thousand, five hundred forty-five".