75462100561 has 2 divisors, whose sum is σ = 75462100562. Its totient is φ = 75462100560.

The previous prime is 75462100543. The next prime is 75462100573. The reversal of 75462100561 is 16500126457.

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., 45302568336 + 30159532225 = 212844^2 + 173665^2 .

It is an emirp because it is prime and its reverse (16500126457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75462100561 - 2⁷ = 75462100433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75462100561.

It is not a weakly prime, because it can be changed into another prime (75462100531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37731050280 + 37731050281.

It is an arithmetic number, because the mean of its divisors is an integer number (37731050281).

Almost surely, 2^75462100561 is an apocalyptic number.

It is an amenable number.

75462100561 is a deficient number, since it is larger than the sum of its proper divisors (1).

75462100561 is an equidigital number, since it uses as much as digits as its factorization.

75462100561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 75462100561 in words is "seventy-five billion, four hundred sixty-two million, one hundred thousand, five hundred sixty-one".