140503522561544 has 16 divisors (see below), whose sum is σ = 264088222424700. Its totient is φ = 70079996581632.

The previous prime is 140503522561517. The next prime is 140503522561627. The reversal of 140503522561544 is 445165225305041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117834020999044 + 22669501562500 = 10855138^2 + 4761250^2 .

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 3 ways as a sum of consecutive naturals, for example, 21470583917 + ... + 21470590460.

Almost surely, 2^{140503522561544} is an apocalyptic number.

It is an amenable number.

140503522561544 is a deficient number, since it is larger than the sum of its proper divisors (123584699863156).

140503522561544 is a wasteful number, since it uses less digits than its factorization.

140503522561544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42941174792 (or 42941174788 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 47.

Adding to 140503522561544 its reverse (445165225305041), we get a palindrome (585668747866585).

The spelling of 140503522561544 in words is "one hundred forty trillion, five hundred three billion, five hundred twenty-two million, five hundred sixty-one thousand, five hundred forty-four".