1200048888505 has 4 divisors (see below), whose sum is σ = 1440058666212. Its totient is φ = 960039110800.

The previous prime is 1200048888503. The next prime is 1200048888631. The reversal of 1200048888505 is 5058888400021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 556857720441 + 643191168064 = 746229^2 + 801992^2 .

It is not a de Polignac number, because 1200048888505 - 2¹ = 1200048888503 is a prime.

It is a super-2 number, since 2×1200048888505² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200048888503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120004888846 + ... + 120004888855.

It is an arithmetic number, because the mean of its divisors is an integer number (360014666553).

Almost surely, 2^{1200048888505} is an apocalyptic number.

It is an amenable number.

1200048888505 is a deficient number, since it is larger than the sum of its proper divisors (240009777707).

1200048888505 is an equidigital number, since it uses as much as digits as its factorization.

1200048888505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240009777706.

The product of its (nonzero) digits is 819200, while the sum is 49.

The spelling of 1200048888505 in words is "one trillion, two hundred billion, forty-eight million, eight hundred eighty-eight thousand, five hundred five".