5201110665550 has 24 divisors (see below), whose sum is σ = 9674361946296. Its totient is φ = 2080380587040.

The previous prime is 5201110665497. The next prime is 5201110665559. The reversal of 5201110665550 is 555660111025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5201110665559) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 75177 + ... + 3226123.

It is an arithmetic number, because the mean of its divisors is an integer number (403098414429).

Almost surely, 2^{5201110665550} is an apocalyptic number.

5201110665550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5201110665550 is a deficient number, since it is larger than the sum of its proper divisors (4473251280746).

5201110665550 is a wasteful number, since it uses less digits than its factorization.

5201110665550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183972 (or 3183967 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 37.

Adding to 5201110665550 its reverse (555660111025), we get a palindrome (5756770776575).

The spelling of 5201110665550 in words is "five trillion, two hundred one billion, one hundred ten million, six hundred sixty-five thousand, five hundred fifty".