755011566449 has 32 divisors (see below), whose sum is σ = 891889889280. Its totient is φ = 625829976000.

The previous prime is 755011566427. The next prime is 755011566457. The reversal of 755011566449 is 944665110557.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755011566449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 755011566449.

It is not an unprimeable number, because it can be changed into a prime (755011566149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6364619 + ... + 6482159.

It is an arithmetic number, because the mean of its divisors is an integer number (27871559040).

Almost surely, 2^755011566449 is an apocalyptic number.

It is an amenable number.

755011566449 is a deficient number, since it is larger than the sum of its proper divisors (136878322831).

755011566449 is a wasteful number, since it uses less digits than its factorization.

755011566449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117861.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 755011566449 in words is "seven hundred fifty-five billion, eleven million, five hundred sixty-six thousand, four hundred forty-nine".