511053400120 has 32 divisors (see below), whose sum is σ = 1149908270400. Its totient is φ = 204414583168.

The previous prime is 511053400111. The next prime is 511053400133. The reversal of 511053400120 is 21004350115.

It is a happy number.

It is a super-2 number, since 2×511053400120² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511053400091 and 511053400100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112046 + ... + 1502914.

It is an arithmetic number, because the mean of its divisors is an integer number (35934633450).

Almost surely, 2^511053400120 is an apocalyptic number.

It is an amenable number.

511053400120 is an abundant number, since it is smaller than the sum of its proper divisors (638854870280).

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

511053400120 is a wasteful number, since it uses less digits than its factorization.

511053400120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423567 (or 423563 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 511053400120 its reverse (21004350115), we get a palindrome (532057750235).

The spelling of 511053400120 in words is "five hundred eleven billion, fifty-three million, four hundred thousand, one hundred twenty".