52015511412 has 36 divisors (see below), whose sum is σ = 132518969856. Its totient is φ = 17201978640.

The previous prime is 52015511411. The next prime is 52015511417. The reversal of 52015511412 is 21411551025.

It is a happy number.

52015511412 is a `hidden beast` number, since 520 + 15 + 5 + 114 + 12 = 666.

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

It is a super-2 number, since 2×52015511412² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52015511411) 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, 5683914 + ... + 5693057.

It is an arithmetic number, because the mean of its divisors is an integer number (3681082496).

Almost surely, 2^52015511412 is an apocalyptic number.

It is an amenable number.

52015511412 is an abundant number, since it is smaller than the sum of its proper divisors (80503458444).

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

52015511412 is a wasteful number, since it uses less digits than its factorization.

52015511412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11377108 (or 11377103 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 52015511412 in words is "fifty-two billion, fifteen million, five hundred eleven thousand, four hundred twelve".