104001040061 has 2 divisors, whose sum is σ = 104001040062. Its totient is φ = 104001040060.

The previous prime is 104001040037. The next prime is 104001040093. The reversal of 104001040061 is 160040100401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73444252036 + 30556788025 = 271006^2 + 174805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104001040061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104001040361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52000520030 + 52000520031.

It is an arithmetic number, because the mean of its divisors is an integer number (52000520031).

Almost surely, 2^104001040061 is an apocalyptic number.

It is an amenable number.

104001040061 is a deficient number, since it is larger than the sum of its proper divisors (1).

104001040061 is an equidigital number, since it uses as much as digits as its factorization.

104001040061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 104001040061 its reverse (160040100401), we get a palindrome (264041140462).

The spelling of 104001040061 in words is "one hundred four billion, one million, forty thousand, sixty-one".