11002506005 has 8 divisors (see below), whose sum is σ = 13525032024. Its totient is φ = 8587321600.

The previous prime is 11002505981. The next prime is 11002506023. The reversal of 11002506005 is 50060520011.

It can be written as a sum of positive squares in 4 ways, for example, as 1223236 + 11001282769 = 1106^2 + 104887^2 .

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

It is not a de Polignac number, because 11002506005 - 2¹⁶ = 11002440469 is a prime.

It is a super-2 number, since 2×11002506005² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26835176 + ... + 26835585.

It is an arithmetic number, because the mean of its divisors is an integer number (1690629003).

Almost surely, 2^11002506005 is an apocalyptic number.

It is an amenable number.

11002506005 is a deficient number, since it is larger than the sum of its proper divisors (2522526019).

11002506005 is an equidigital number, since it uses as much as digits as its factorization.

11002506005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53670807.

The product of its (nonzero) digits is 300, while the sum is 20.

The spelling of 11002506005 in words is "eleven billion, two million, five hundred six thousand, five".