755755557557 has 16 divisors (see below), whose sum is σ = 1014720749952. Its totient is φ = 543600400320.

The previous prime is 755755557553. The next prime is 755755557559.

755755557557 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 755755557557 - 2² = 755755557553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755755557553) 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 in 15 ways as a sum of consecutive naturals, for example, 377499278 + ... + 377501279.

It is an arithmetic number, because the mean of its divisors is an integer number (63420046872).

Almost surely, 2^755755557557 is an apocalyptic number.

755755557557 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

755755557557 is a deficient number, since it is larger than the sum of its proper divisors (258965192395).

755755557557 is a wasteful number, since it uses less digits than its factorization.

755755557557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755000588.

The product of its digits is 937890625, while the sum is 68.

The spelling of 755755557557 in words is "seven hundred fifty-five billion, seven hundred fifty-five million, five hundred fifty-seven thousand, five hundred fifty-seven".