52103145540000 has 120 divisors (see below), whose sum is σ = 170908738197120. Its totient is φ = 13894172128000.

The previous prime is 52103145539947. The next prime is 52103145540029. The reversal of 52103145540000 is 4554130125.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 52103145540000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 434132880 + ... + 434252879.

It is an arithmetic number, because the mean of its divisors is an integer number (1424239484976).

Almost surely, 2^{52103145540000} is an apocalyptic number.

52103145540000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52103145540000 is an abundant number, since it is smaller than the sum of its proper divisors (118805592657120).

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

52103145540000 is an equidigital number, since it uses as much as digits as its factorization.

52103145540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868385792 (or 868385769 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 52103145540000 its reverse (4554130125), we get a palindrome (52107699670125).

The spelling of 52103145540000 in words is "fifty-two trillion, one hundred three billion, one hundred forty-five million, five hundred forty thousand".