11100010005505 has 8 divisors (see below), whose sum is σ = 13469675063400. Its totient is φ = 8780232633216.

The previous prime is 11100010005443. The next prime is 11100010005517. The reversal of 11100010005505 is 50550001000111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25018381584 + 11074991623921 = 158172^2 + 3327911^2 .

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 11100010005505 - 2¹¹ = 11100010003457 is a prime.

It is a super-2 number, since 2×11100010005505² (a number of 27 digits) contains 22 as substring.

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, 12471920910 + ... + 12471921799.

It is an arithmetic number, because the mean of its divisors is an integer number (1683709382925).

Almost surely, 2^{11100010005505} is an apocalyptic number.

It is an amenable number.

11100010005505 is a deficient number, since it is larger than the sum of its proper divisors (2369665057895).

11100010005505 is an equidigital number, since it uses as much as digits as its factorization.

11100010005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24943842803.

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 11100010005505 its reverse (50550001000111), we get a palindrome (61650011005616).

The spelling of 11100010005505 in words is "eleven trillion, one hundred billion, ten million, five thousand, five hundred five".