52511433012 has 36 divisors (see below), whose sum is σ = 133131143236. Its totient is φ = 17451866880.

The previous prime is 52511432993. The next prime is 52511433017. The reversal of 52511433012 is 21033411525.

52511433012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 23803552656 + 28707880356 = 154284^2 + 169434^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52511433017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2152039 + ... + 2176302.

Almost surely, 2^52511433012 is an apocalyptic number.

It is an amenable number.

52511433012 is an abundant number, since it is smaller than the sum of its proper divisors (80619710224).

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

52511433012 is a wasteful number, since it uses less digits than its factorization.

52511433012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328688 (or 4328683 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 52511433012 its reverse (21033411525), we get a palindrome (73544844537).

The spelling of 52511433012 in words is "fifty-two billion, five hundred eleven million, four hundred thirty-three thousand, twelve".