550611105515 has 16 divisors (see below), whose sum is σ = 689710775040. Its totient is φ = 421489896960.

The previous prime is 550611105497. The next prime is 550611105529. The reversal of 550611105515 is 515501116055.

It is a de Polignac number, because none of the positive numbers 2^k-550611105515 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19943114 + ... + 19970703.

It is an arithmetic number, because the mean of its divisors is an integer number (43106923440).

Almost surely, 2^550611105515 is an apocalyptic number.

550611105515 is a deficient number, since it is larger than the sum of its proper divisors (139099669525).

550611105515 is a wasteful number, since it uses less digits than its factorization.

550611105515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39913942.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 550611105515 in words is "five hundred fifty billion, six hundred eleven million, one hundred five thousand, five hundred fifteen".