52111475712 has 440 divisors, whose sum is σ = 167832711200. Its totient is φ = 16052649984.

The previous prime is 52111475701. The next prime is 52111475749. The reversal of 52111475712 is 21757411125.

It is a happy number.

52111475712 is a `hidden beast` number, since 5 + 2 + 111 + 475 + 71 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 67764864 + ... + 67765632.

It is an arithmetic number, because the mean of its divisors is an integer number (381437980).

Almost surely, 2^52111475712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52111475712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83916355600).

52111475712 is an abundant number, since it is smaller than the sum of its proper divisors (115721235488).

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

52111475712 is a wasteful number, since it uses less digits than its factorization.

52111475712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 836 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

Adding to 52111475712 its reverse (21757411125), we get a palindrome (73868886837).

The spelling of 52111475712 in words is "fifty-two billion, one hundred eleven million, four hundred seventy-five thousand, seven hundred twelve".