61466825155097 has 2 divisors, whose sum is σ = 61466825155098. Its totient is φ = 61466825155096.

The previous prime is 61466825155079. The next prime is 61466825155111. The reversal of 61466825155097 is 79055152866416.

Together with previous prime (61466825155079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54995113025161 + 6471712129936 = 7415869^2 + 2543956^2 .

It is a cyclic number.

It is not a de Polignac number, because 61466825155097 - 2¹⁶ = 61466825089561 is a prime.

It is not a weakly prime, because it can be changed into another prime (61466825115097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30733412577548 + 30733412577549.

It is an arithmetic number, because the mean of its divisors is an integer number (30733412577549).

Almost surely, 2^{61466825155097} is an apocalyptic number.

It is an amenable number.

61466825155097 is a deficient number, since it is larger than the sum of its proper divisors (1).

61466825155097 is an equidigital number, since it uses as much as digits as its factorization.

61466825155097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864000, while the sum is 65.

The spelling of 61466825155097 in words is "sixty-one trillion, four hundred sixty-six billion, eight hundred twenty-five million, one hundred fifty-five thousand, ninety-seven".