543125521345 has 16 divisors (see below), whose sum is σ = 748421772480. Its totient is φ = 374210884800.

The previous prime is 543125521327. The next prime is 543125521381.

543125521345 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 543125521345 - 2¹¹ = 543125519297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 543125521298 and 543125521307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259867626 + ... + 259869715.

It is an arithmetic number, because the mean of its divisors is an integer number (46776360780).

Almost surely, 2^543125521345 is an apocalyptic number.

543125521345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543125521345 is a deficient number, since it is larger than the sum of its proper divisors (205296251135).

543125521345 is a wasteful number, since it uses less digits than its factorization.

543125521345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519737376.

The product of its digits is 360000, while the sum is 40.

The spelling of 543125521345 in words is "five hundred forty-three billion, one hundred twenty-five million, five hundred twenty-one thousand, three hundred forty-five".