1550005005005 has 8 divisors (see below), whose sum is σ = 1860504288792. Its totient is φ = 1239671815488.

The previous prime is 1550005004939. The next prime is 1550005005007. The reversal of 1550005005005 is 5005005000551.

It can be written as a sum of positive squares in 4 ways, for example, as 164626570564 + 1385378434441 = 405742^2 + 1177021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1550005005005 - 2¹² = 1550005000909 is a prime.

It is a Duffinian number.

1550005005005 is a modest number, since divided by 5005005 gives 1550 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550005005007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41503034 + ... + 41540363.

It is an arithmetic number, because the mean of its divisors is an integer number (232563036099).

Almost surely, 2^{1550005005005} is an apocalyptic number.

It is an amenable number.

1550005005005 is a deficient number, since it is larger than the sum of its proper divisors (310499283787).

1550005005005 is an equidigital number, since it uses as much as digits as its factorization.

1550005005005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83047135.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 1550005005005 in words is "one trillion, five hundred fifty billion, five million, five thousand, five".