511116485 has 16 divisors (see below), whose sum is σ = 669589632. Its totient is φ = 371448000.

The previous prime is 511116481. The next prime is 511116497. The reversal of 511116485 is 584611115.

It is not a de Polignac number, because 511116485 - 2² = 511116481 is a prime.

It is a super-2 number, since 2×511116485² = 522480122477510450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511116481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100760 + ... + 105710.

It is an arithmetic number, because the mean of its divisors is an integer number (41849352).

Almost surely, 2^511116485 is an apocalyptic number.

511116485 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

511116485 is a deficient number, since it is larger than the sum of its proper divisors (158473147).

511116485 is a wasteful number, since it uses less digits than its factorization.

511116485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844.

The product of its digits is 4800, while the sum is 32.

The square root of 511116485 is about 22607.8854606087. The cubic root of 511116485 is about 799.5395709948.

The spelling of 511116485 in words is "five hundred eleven million, one hundred sixteen thousand, four hundred eighty-five".