561132615415441 has 2 divisors, whose sum is σ = 561132615415442. Its totient is φ = 561132615415440.

The previous prime is 561132615415409. The next prime is 561132615415483. The reversal of 561132615415441 is 144514516231165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550529262489600 + 10603352925841 = 23463360^2 + 3256279^2 .

It is a cyclic number.

It is not a de Polignac number, because 561132615415441 - 2⁵ = 561132615415409 is a prime.

It is a super-3 number, since 3×561132615415441³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (561132615410441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280566307707720 + 280566307707721.

It is an arithmetic number, because the mean of its divisors is an integer number (280566307707721).

Almost surely, 2^{561132615415441} is an apocalyptic number.

It is an amenable number.

561132615415441 is a deficient number, since it is larger than the sum of its proper divisors (1).

561132615415441 is an equidigital number, since it uses as much as digits as its factorization.

561132615415441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728000, while the sum is 49.

The spelling of 561132615415441 in words is "five hundred sixty-one trillion, one hundred thirty-two billion, six hundred fifteen million, four hundred fifteen thousand, four hundred forty-one".