75754161121 has 2 divisors, whose sum is σ = 75754161122. Its totient is φ = 75754161120.

The previous prime is 75754161053. The next prime is 75754161139. The reversal of 75754161121 is 12116145757.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69994110096 + 5760051025 = 264564^2 + 75895^2 .

It is a cyclic number.

It is not a de Polignac number, because 75754161121 - 2⁹ = 75754160609 is a prime.

It is not a weakly prime, because it can be changed into another prime (75754161221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37877080560 + 37877080561.

It is an arithmetic number, because the mean of its divisors is an integer number (37877080561).

Almost surely, 2^75754161121 is an apocalyptic number.

It is an amenable number.

75754161121 is a deficient number, since it is larger than the sum of its proper divisors (1).

75754161121 is an equidigital number, since it uses as much as digits as its factorization.

75754161121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 40.

The spelling of 75754161121 in words is "seventy-five billion, seven hundred fifty-four million, one hundred sixty-one thousand, one hundred twenty-one".