550401243121015 has 32 divisors (see below), whose sum is σ = 776141928072000. Its totient is φ = 369408876165120.

The previous prime is 550401243120991. The next prime is 550401243121019. The reversal of 550401243121015 is 510121342104055.

It is not a de Polignac number, because 550401243121015 - 2¹¹ = 550401243118967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550401243121019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92164480 + ... + 97954549.

It is an arithmetic number, because the mean of its divisors is an integer number (24254435252250).

Almost surely, 2^{550401243121015} is an apocalyptic number.

550401243121015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550401243121015 is a deficient number, since it is larger than the sum of its proper divisors (225740684950985).

550401243121015 is a wasteful number, since it uses less digits than its factorization.

550401243121015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190123107.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 550401243121015 in words is "five hundred fifty trillion, four hundred one billion, two hundred forty-three million, one hundred twenty-one thousand, fifteen".