511031052120 has 128 divisors (see below), whose sum is σ = 1538159673600. Its totient is φ = 135825068544.

The previous prime is 511031052101. The next prime is 511031052143. The reversal of 511031052120 is 21250130115.

It is a super-2 number, since 2×511031052120² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 110062519 + ... + 110067161.

It is an arithmetic number, because the mean of its divisors is an integer number (12016872450).

Almost surely, 2^511031052120 is an apocalyptic number.

It is an amenable number.

511031052120 is an abundant number, since it is smaller than the sum of its proper divisors (1027128621480).

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

511031052120 is a wasteful number, since it uses less digits than its factorization.

511031052120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7489 (or 7485 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 511031052120 its reverse (21250130115), we get a palindrome (532281182235).

The spelling of 511031052120 in words is "five hundred eleven billion, thirty-one million, fifty-two thousand, one hundred twenty".