561353434514271 has 40 divisors (see below), whose sum is σ = 967848721180704. Its totient is φ = 317597416948800.

The previous prime is 561353434514267. The next prime is 561353434514293. The reversal of 561353434514271 is 172415434353165.

561353434514271 is a `hidden beast` number, since 5 + 6 + 1 + 3 + 53 + 4 + 3 + 4 + 514 + 2 + 71 = 666.

It is not a de Polignac number, because 561353434514271 - 2² = 561353434514267 is a prime.

It is a super-2 number, since 2×561353434514271² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561353434514471) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4901137440 + ... + 4901251973.

Almost surely, 2^{561353434514271} is an apocalyptic number.

561353434514271 is a deficient number, since it is larger than the sum of its proper divisors (406495286666433).

561353434514271 is a wasteful number, since it uses less digits than its factorization.

561353434514271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9802389533 (or 9802389524 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 54.

The spelling of 561353434514271 in words is "five hundred sixty-one trillion, three hundred fifty-three billion, four hundred thirty-four million, five hundred fourteen thousand, two hundred seventy-one".