511448914966 has 16 divisors (see below), whose sum is σ = 836929416960. Its totient is φ = 232473165480.

The previous prime is 511448914927. The next prime is 511448914967. The reversal of 511448914966 is 669419844115.

It is a self number, because there is not a number n which added to its sum of digits gives 511448914966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511448914967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1702975 + ... + 1980661.

It is an arithmetic number, because the mean of its divisors is an integer number (52308088560).

Almost surely, 2^511448914966 is an apocalyptic number.

511448914966 is a deficient number, since it is larger than the sum of its proper divisors (325480501994).

511448914966 is a wasteful number, since it uses less digits than its factorization.

511448914966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361419.

The product of its digits is 7464960, while the sum is 58.

The spelling of 511448914966 in words is "five hundred eleven billion, four hundred forty-eight million, nine hundred fourteen thousand, nine hundred sixty-six".