551050665015 has 16 divisors (see below), whose sum is σ = 881690548608. Its totient is φ = 293890526496.

The previous prime is 551050664987. The next prime is 551050665019. The reversal of 551050665015 is 510566050155.

It is not a de Polignac number, because 551050665015 - 2¹⁸ = 551050402871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551050665019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2120632 + ... + 2366258.

It is an arithmetic number, because the mean of its divisors is an integer number (55105659288).

Almost surely, 2^551050665015 is an apocalyptic number.

551050665015 is a deficient number, since it is larger than the sum of its proper divisors (330639883593).

551050665015 is a wasteful number, since it uses less digits than its factorization.

551050665015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395198.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 551050665015 in words is "five hundred fifty-one billion, fifty million, six hundred sixty-five thousand, fifteen".