140503522561600 has 168 divisors, whose sum is σ = 377232023739168. Its totient is φ = 51081913036800.

The previous prime is 140503522561517. The next prime is 140503522561627. The reversal of 140503522561600 is 6165225305041.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86970804 + ... + 88571596.

Almost surely, 2^{140503522561600} is an apocalyptic number.

140503522561600 is a gapful number since it is divisible by the number (10) 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 140503522561600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188616011869584).

140503522561600 is an abundant number, since it is smaller than the sum of its proper divisors (236728501177568).

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

140503522561600 is a wasteful number, since it uses less digits than its factorization.

140503522561600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605813 (or 1605798 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 140503522561600 its reverse (6165225305041), we get a palindrome (146668747866641).

The spelling of 140503522561600 in words is "one hundred forty trillion, five hundred three billion, five hundred twenty-two million, five hundred sixty-one thousand, six hundred".