550215533011 has 4 divisors (see below), whose sum is σ = 553395969792. Its totient is φ = 547035096232.

The previous prime is 550215532943. The next prime is 550215533029. The reversal of 550215533011 is 110335512055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550215533011 - 2¹⁵ = 550215500243 is a prime.

It is a super-2 number, since 2×550215533011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550215533041) 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 3 ways as a sum of consecutive naturals, for example, 1590218131 + ... + 1590218476.

It is an arithmetic number, because the mean of its divisors is an integer number (138348992448).

Almost surely, 2^550215533011 is an apocalyptic number.

550215533011 is a deficient number, since it is larger than the sum of its proper divisors (3180436781).

550215533011 is a wasteful number, since it uses less digits than its factorization.

550215533011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180436780.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 550215533011 in words is "five hundred fifty billion, two hundred fifteen million, five hundred thirty-three thousand, eleven".