9945000555005 has 8 divisors (see below), whose sum is σ = 11995834867512. Its totient is φ = 7914777643008.

The previous prime is 9945000554987. The next prime is 9945000555013. The reversal of 9945000555005 is 5005550005499.

It can be written as a sum of positive squares in 4 ways, for example, as 372888537316 + 9572112017689 = 610646^2 + 3093883^2 .

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 9945000555005 - 2¹² = 9945000550909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5152849064 + ... + 5152850993.

It is an arithmetic number, because the mean of its divisors is an integer number (1499479358439).

Almost surely, 2^{9945000555005} is an apocalyptic number.

It is an amenable number.

9945000555005 is a deficient number, since it is larger than the sum of its proper divisors (2050834312507).

9945000555005 is a wasteful number, since it uses less digits than its factorization.

9945000555005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10305700255.

The product of its (nonzero) digits is 1012500, while the sum is 47.

The spelling of 9945000555005 in words is "nine trillion, nine hundred forty-five billion, five hundred fifty-five thousand, five".