550151665615 has 4 divisors (see below), whose sum is σ = 660181998744. Its totient is φ = 440121332488.

The previous prime is 550151665573. The next prime is 550151665631. The reversal of 550151665615 is 516566151055.

It is a happy number.

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 550151665615 - 2³⁷ = 412712712143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55015166557 + ... + 55015166566.

It is an arithmetic number, because the mean of its divisors is an integer number (165045499686).

Almost surely, 2^550151665615 is an apocalyptic number.

550151665615 is a deficient number, since it is larger than the sum of its proper divisors (110030333129).

550151665615 is a wasteful number, since it uses less digits than its factorization.

550151665615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110030333128.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 550151665615 in words is "five hundred fifty billion, one hundred fifty-one million, six hundred sixty-five thousand, six hundred fifteen".