550072071121 has 16 divisors (see below), whose sum is σ = 578780777344. Its totient is φ = 522122194944.

The previous prime is 550072071113. The next prime is 550072071127. The reversal of 550072071121 is 121170270055.

It is a cyclic number.

It is not a de Polignac number, because 550072071121 - 2³ = 550072071113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550072071127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099345 + ... + 1519441.

It is an arithmetic number, because the mean of its divisors is an integer number (36173798584).

Almost surely, 2^550072071121 is an apocalyptic number.

It is an amenable number.

550072071121 is a deficient number, since it is larger than the sum of its proper divisors (28708706223).

550072071121 is a wasteful number, since it uses less digits than its factorization.

550072071121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421000.

The product of its (nonzero) digits is 4900, while the sum is 31.

The spelling of 550072071121 in words is "five hundred fifty billion, seventy-two million, seventy-one thousand, one hundred twenty-one".