541523231545 has 8 divisors (see below), whose sum is σ = 649831895496. Its totient is φ = 433215906816.

The previous prime is 541523231533. The next prime is 541523231551. The reversal of 541523231545 is 545132325145.

It can be written as a sum of positive squares in 4 ways, for example, as 67590120361 + 473933111184 = 259981^2 + 688428^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 541523231545 - 2²⁹ = 540986360633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 541523231498 and 541523231507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168089 + ... + 1564441.

It is an arithmetic number, because the mean of its divisors is an integer number (81228986937).

Almost surely, 2^541523231545 is an apocalyptic number.

It is an amenable number.

541523231545 is a deficient number, since it is larger than the sum of its proper divisors (108308663951).

541523231545 is a wasteful number, since it uses less digits than its factorization.

541523231545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669611.

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

The spelling of 541523231545 in words is "five hundred forty-one billion, five hundred twenty-three million, two hundred thirty-one thousand, five hundred forty-five".