550215315015 has 16 divisors (see below), whose sum is σ = 886252860000. Its totient is φ = 291478716032.

The previous prime is 550215315007. The next prime is 550215315019. The reversal of 550215315015 is 510513512055.

It is a cyclic number.

It is not a de Polignac number, because 550215315015 - 2³ = 550215315007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550215315019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123088440 + ... + 123092909.

It is an arithmetic number, because the mean of its divisors is an integer number (55390803750).

Almost surely, 2^550215315015 is an apocalyptic number.

550215315015 is a deficient number, since it is larger than the sum of its proper divisors (336037544985).

550215315015 is a wasteful number, since it uses less digits than its factorization.

550215315015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246181506.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 550215315015 in words is "five hundred fifty billion, two hundred fifteen million, three hundred fifteen thousand, fifteen".