511506421104 has 80 divisors (see below), whose sum is σ = 1510945793280. Its totient is φ = 146068823040.

The previous prime is 511506421093. The next prime is 511506421109. The reversal of 511506421104 is 401124605115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511506421109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254632 + ... + 1043000.

It is an arithmetic number, because the mean of its divisors is an integer number (18886822416).

Almost surely, 2^511506421104 is an apocalyptic number.

It is an amenable number.

511506421104 is an abundant number, since it is smaller than the sum of its proper divisors (999439372176).

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

511506421104 is a wasteful number, since it uses less digits than its factorization.

511506421104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790318 (or 790312 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 511506421104 in words is "five hundred eleven billion, five hundred six million, four hundred twenty-one thousand, one hundred four".