52515545012000 has 192 divisors, whose sum is σ = 147514056318720. Its totient is φ = 17999175168000.

The previous prime is 52515545011999. The next prime is 52515545012041. The reversal of 52515545012000 is 21054551525.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81972920 + ... + 82611080.

It is an arithmetic number, because the mean of its divisors is an integer number (768302376660).

Almost surely, 2^{52515545012000} is an apocalyptic number.

52515545012000 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 52515545012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73757028159360).

52515545012000 is an abundant number, since it is smaller than the sum of its proper divisors (94998511306720).

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

52515545012000 is a wasteful number, since it uses less digits than its factorization.

52515545012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641132 (or 641114 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

Adding to 52515545012000 its reverse (21054551525), we get a palindrome (52536599563525).

The spelling of 52515545012000 in words is "fifty-two trillion, five hundred fifteen billion, five hundred forty-five million, twelve thousand".