52111532000 has 384 divisors, whose sum is σ = 144557457408. Its totient is φ = 18299904000.

The previous prime is 52111531993. The next prime is 52111532023. The reversal of 52111532000 is 23511125.

It is a happy number.

It is a super-2 number, since 2×52111532000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233683889 + ... + 233684111.

It is an arithmetic number, because the mean of its divisors is an integer number (376451712).

Almost surely, 2^52111532000 is an apocalyptic number.

52111532000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52111532000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72278728704).

52111532000 is an abundant number, since it is smaller than the sum of its proper divisors (92445925408).

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

52111532000 is a wasteful number, since it uses less digits than its factorization.

52111532000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The spelling of 52111532000 in words is "fifty-two billion, one hundred eleven million, five hundred thirty-two thousand".