75247623026161 has 2 divisors, whose sum is σ = 75247623026162. Its totient is φ = 75247623026160.

The previous prime is 75247623026143. The next prime is 75247623026171. The reversal of 75247623026161 is 16162032674257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71567268545536 + 3680354480625 = 8459744^2 + 1918425^2 .

It is an emirp because it is prime and its reverse (16162032674257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75247623026161 - 2⁵ = 75247623026129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75247623026099 and 75247623026108.

It is not a weakly prime, because it can be changed into another prime (75247623026141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37623811513080 + 37623811513081.

It is an arithmetic number, because the mean of its divisors is an integer number (37623811513081).

Almost surely, 2^{75247623026161} is an apocalyptic number.

It is an amenable number.

75247623026161 is a deficient number, since it is larger than the sum of its proper divisors (1).

75247623026161 is an equidigital number, since it uses as much as digits as its factorization.

75247623026161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 75247623026161 in words is "seventy-five trillion, two hundred forty-seven billion, six hundred twenty-three million, twenty-six thousand, one hundred sixty-one".