541551305545 has 8 divisors (see below), whose sum is σ = 649865548800. Its totient is φ = 433238389680.

The previous prime is 541551305539. The next prime is 541551305549. The reversal of 541551305545 is 545503155145.

It is a happy number.

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

It is not a de Polignac number, because 541551305545 - 2⁵ = 541551305513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (541551305549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259256 + ... + 1633654.

It is an arithmetic number, because the mean of its divisors is an integer number (81233193600).

Almost surely, 2^541551305545 is an apocalyptic number.

It is an amenable number.

541551305545 is a deficient number, since it is larger than the sum of its proper divisors (108314243255).

541551305545 is a wasteful number, since it uses less digits than its factorization.

541551305545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663695.

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 541551305545 in words is "five hundred forty-one billion, five hundred fifty-one million, three hundred five thousand, five hundred forty-five".