755435534561 has 2 divisors, whose sum is σ = 755435534562. Its totient is φ = 755435534560.

The previous prime is 755435534537. The next prime is 755435534591. The reversal of 755435534561 is 165435534557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453139000336 + 302296534225 = 673156^2 + 549815^2 .

It is a cyclic number.

It is not a de Polignac number, because 755435534561 - 2¹⁴ = 755435518177 is a prime.

It is not a weakly prime, because it can be changed into another prime (755435534531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377717767280 + 377717767281.

It is an arithmetic number, because the mean of its divisors is an integer number (377717767281).

Almost surely, 2^755435534561 is an apocalyptic number.

It is an amenable number.

755435534561 is a deficient number, since it is larger than the sum of its proper divisors (1).

755435534561 is an equidigital number, since it uses as much as digits as its factorization.

755435534561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900000, while the sum is 53.

The spelling of 755435534561 in words is "seven hundred fifty-five billion, four hundred thirty-five million, five hundred thirty-four thousand, five hundred sixty-one".