561711388432541 has 8 divisors (see below), whose sum is σ = 563254049614080. Its totient is φ = 560168793080208.

The previous prime is 561711388432517. The next prime is 561711388432553. The reversal of 561711388432541 is 145234883117165.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561711388432541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561711388332541) 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, 656255 + ... + 33523923.

It is an arithmetic number, because the mean of its divisors is an integer number (70406756201760).

Almost surely, 2^{561711388432541} is an apocalyptic number.

It is an amenable number.

561711388432541 is a deficient number, since it is larger than the sum of its proper divisors (1542661181539).

561711388432541 is a wasteful number, since it uses less digits than its factorization.

561711388432541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32914603.

The product of its digits is 19353600, while the sum is 59.

The spelling of 561711388432541 in words is "five hundred sixty-one trillion, seven hundred eleven billion, three hundred eighty-eight million, four hundred thirty-two thousand, five hundred forty-one".