29118482839561 has 2 divisors, whose sum is σ = 29118482839562. Its totient is φ = 29118482839560.

The previous prime is 29118482839487. The next prime is 29118482839583. The reversal of 29118482839561 is 16593828481192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19749527073936 + 9368955765625 = 4444044^2 + 3060875^2 .

It is a cyclic number.

It is not a de Polignac number, because 29118482839561 - 2¹¹ = 29118482837513 is a prime.

It is not a weakly prime, because it can be changed into another prime (29118482869561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14559241419780 + 14559241419781.

It is an arithmetic number, because the mean of its divisors is an integer number (14559241419781).

Almost surely, 2^{29118482839561} is an apocalyptic number.

It is an amenable number.

29118482839561 is a deficient number, since it is larger than the sum of its proper divisors (1).

29118482839561 is an equidigital number, since it uses as much as digits as its factorization.

29118482839561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59719680, while the sum is 67.

The spelling of 29118482839561 in words is "twenty-nine trillion, one hundred eighteen billion, four hundred eighty-two million, eight hundred thirty-nine thousand, five hundred sixty-one".