61162020411241 has 2 divisors, whose sum is σ = 61162020411242. Its totient is φ = 61162020411240.

The previous prime is 61162020411211. The next prime is 61162020411257. The reversal of 61162020411241 is 14211402026116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60270053497641 + 891966913600 = 7763379^2 + 944440^2 .

It is a cyclic number.

It is not a de Polignac number, because 61162020411241 - 2¹⁷ = 61162020280169 is a prime.

It is not a weakly prime, because it can be changed into another prime (61162020411211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30581010205620 + 30581010205621.

It is an arithmetic number, because the mean of its divisors is an integer number (30581010205621).

Almost surely, 2^{61162020411241} is an apocalyptic number.

It is an amenable number.

61162020411241 is a deficient number, since it is larger than the sum of its proper divisors (1).

61162020411241 is an equidigital number, since it uses as much as digits as its factorization.

61162020411241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 61162020411241 its reverse (14211402026116), we get a palindrome (75373422437357).

The spelling of 61162020411241 in words is "sixty-one trillion, one hundred sixty-two billion, twenty million, four hundred eleven thousand, two hundred forty-one".