315545312044561 has 8 divisors (see below), whose sum is σ = 315577908533664. Its totient is φ = 315512717199840.

The previous prime is 315545312044559. The next prime is 315545312044591. The reversal of 315545312044561 is 165440213545513.

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 315545312044561 - 2¹ = 315545312044559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315545312044531) 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, 403651806 + ... + 404432776.

It is an arithmetic number, because the mean of its divisors is an integer number (39447238566708).

Almost surely, 2^{315545312044561} is an apocalyptic number.

It is an amenable number.

315545312044561 is a deficient number, since it is larger than the sum of its proper divisors (32596489103).

315545312044561 is a wasteful number, since it uses less digits than its factorization.

315545312044561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822191.

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 315545312044561 in words is "three hundred fifteen trillion, five hundred forty-five billion, three hundred twelve million, forty-four thousand, five hundred sixty-one".