511020045252 has 36 divisors (see below), whose sum is σ = 1298961583920. Its totient is φ = 169388392752.

The previous prime is 511020045247. The next prime is 511020045299. The reversal of 511020045252 is 252540020115.

511020045252 is a `hidden beast` number, since 5 + 1 + 1 + 0 + 200 + 452 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×511020045252² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39644398 + ... + 39657285.

It is an arithmetic number, because the mean of its divisors is an integer number (36082266220).

Almost surely, 2^511020045252 is an apocalyptic number.

It is an amenable number.

511020045252 is an abundant number, since it is smaller than the sum of its proper divisors (787941538668).

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

511020045252 is a wasteful number, since it uses less digits than its factorization.

511020045252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79301872 (or 79301867 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 511020045252 its reverse (252540020115), we get a palindrome (763560065367).

The spelling of 511020045252 in words is "five hundred eleven billion, twenty million, forty-five thousand, two hundred fifty-two".