545031641561 has 8 divisors (see below), whose sum is σ = 594589375200. Its totient is φ = 495475475040.

The previous prime is 545031641533. The next prime is 545031641597. The reversal of 545031641561 is 165146130545.

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 545031641561 - 2¹⁰ = 545031640537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545031641261) 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, 406085 + ... + 1120253.

It is an arithmetic number, because the mean of its divisors is an integer number (74323671900).

Almost surely, 2^545031641561 is an apocalyptic number.

It is an amenable number.

545031641561 is a deficient number, since it is larger than the sum of its proper divisors (49557733639).

545031641561 is a wasteful number, since it uses less digits than its factorization.

545031641561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783559.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 545031641561 in words is "five hundred forty-five billion, thirty-one million, six hundred forty-one thousand, five hundred sixty-one".