11010105505603 has 32 divisors (see below), whose sum is σ = 11942130816000. Its totient is φ = 10117512437760.

The previous prime is 11010105505601. The next prime is 11010105505639. The reversal of 11010105505603 is 30650550101011.

It is not a de Polignac number, because 11010105505603 - 2¹ = 11010105505601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11010105505601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89898733 + ... + 90021121.

It is an arithmetic number, because the mean of its divisors is an integer number (373191588000).

Almost surely, 2^{11010105505603} is an apocalyptic number.

11010105505603 is a deficient number, since it is larger than the sum of its proper divisors (932025310397).

11010105505603 is a wasteful number, since it uses less digits than its factorization.

11010105505603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123355.

The product of its (nonzero) digits is 2250, while the sum is 28.

Adding to 11010105505603 its reverse (30650550101011), we get a palindrome (41660655606614).

The spelling of 11010105505603 in words is "eleven trillion, ten billion, one hundred five million, five hundred five thousand, six hundred three".