511016106645 has 48 divisors (see below), whose sum is σ = 976246794432. Its totient is φ = 245211079680.

The previous prime is 511016106631. The next prime is 511016106661. The reversal of 511016106645 is 546601610115.

511016106645 is a `hidden beast` number, since 5 + 1 + 1 + 0 + 1 + 6 + 1 + 0 + 6 + 645 = 666.

It is not a de Polignac number, because 511016106645 - 2⁵ = 511016106613 is a prime.

It is a super-2 number, since 2×511016106645² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5273407 + ... + 5369436.

It is an arithmetic number, because the mean of its divisors is an integer number (20338474884).

Almost surely, 2^511016106645 is an apocalyptic number.

511016106645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

511016106645 is a deficient number, since it is larger than the sum of its proper divisors (465230687787).

511016106645 is a wasteful number, since it uses less digits than its factorization.

511016106645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642962 (or 10642959 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 511016106645 in words is "five hundred eleven billion, sixteen million, one hundred six thousand, six hundred forty-five".