511035546012 has 12 divisors (see below), whose sum is σ = 1192416274056. Its totient is φ = 170345182000.

The previous prime is 511035545947. The next prime is 511035546013. The reversal of 511035546012 is 210645530115.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×511035546012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511035546013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21293147739 + ... + 21293147762.

It is an arithmetic number, because the mean of its divisors is an integer number (99368022838).

Almost surely, 2^511035546012 is an apocalyptic number.

It is an amenable number.

511035546012 is an abundant number, since it is smaller than the sum of its proper divisors (681380728044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511035546012 is a wasteful number, since it uses less digits than its factorization.

511035546012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42586295508 (or 42586295506 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 511035546012 in words is "five hundred eleven billion, thirty-five million, five hundred forty-six thousand, twelve".