511235532116 has 12 divisors (see below), whose sum is σ = 898603425888. Its totient is φ = 254491696152.

The previous prime is 511235532061. The next prime is 511235532127. The reversal of 511235532116 is 611235532115.

It is a super-2 number, since 2×511235532116² (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 3 ways as a sum of consecutive naturals, for example, 281516456 + ... + 281518271.

It is an arithmetic number, because the mean of its divisors is an integer number (74883618824).

Almost surely, 2^511235532116 is an apocalyptic number.

It is an amenable number.

511235532116 is a deficient number, since it is larger than the sum of its proper divisors (387367893772).

511235532116 is a wasteful number, since it uses less digits than its factorization.

511235532116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563034958 (or 563034956 counting only the distinct ones).

The product of its digits is 27000, while the sum is 35.

Subtracting 511235532116 from its reverse (611235532115), we obtain a palindrome (99999999999).

The spelling of 511235532116 in words is "five hundred eleven billion, two hundred thirty-five million, five hundred thirty-two thousand, one hundred sixteen".