61452251640211 has 2 divisors, whose sum is σ = 61452251640212. Its totient is φ = 61452251640210.

The previous prime is 61452251640133. The next prime is 61452251640223. The reversal of 61452251640211 is 11204615225416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61452251640211 - 2¹⁹ = 61452251115923 is a prime.

It is not a weakly prime, because it can be changed into another prime (61452251640271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30726125820105 + 30726125820106.

It is an arithmetic number, because the mean of its divisors is an integer number (30726125820106).

Almost surely, 2^{61452251640211} is an apocalyptic number.

61452251640211 is a deficient number, since it is larger than the sum of its proper divisors (1).

61452251640211 is an equidigital number, since it uses as much as digits as its factorization.

61452251640211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 40.

Adding to 61452251640211 its reverse (11204615225416), we get a palindrome (72656866865627).

The spelling of 61452251640211 in words is "sixty-one trillion, four hundred fifty-two billion, two hundred fifty-one million, six hundred forty thousand, two hundred eleven".