511605116 has 24 divisors (see below), whose sum is σ = 977571840. Its totient is φ = 232340400.

The previous prime is 511605113. The next prime is 511605119. The reversal of 511605116 is 611506115.

It is an interprime number because it is at equal distance from previous prime (511605113) and next prime (511605119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511605113) 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, 51731 + ... + 60821.

It is an arithmetic number, because the mean of its divisors is an integer number (40732160).

Almost surely, 2^511605116 is an apocalyptic number.

It is an amenable number.

511605116 is a deficient number, since it is larger than the sum of its proper divisors (465966724).

511605116 is a wasteful number, since it uses less digits than its factorization.

511605116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10385 (or 10383 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 511605116 is about 22618.6895287945. The cubic root of 511605116 is about 799.7942783528.

Subtracting 511605116 from its reverse (611506115), we obtain a palindrome (99900999).

The spelling of 511605116 in words is "five hundred eleven million, six hundred five thousand, one hundred sixteen".