11001055605 has 16 divisors (see below), whose sum is σ = 18208644480. Its totient is φ = 5664911168.

The previous prime is 11001055603. The next prime is 11001055607. The reversal of 11001055605 is 50655010011.

It is an interprime number because it is at equal distance from previous prime (11001055603) and next prime (11001055607).

It is a cyclic number.

It is not a de Polignac number, because 11001055605 - 2¹ = 11001055603 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001055601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12644457 + ... + 12645326.

It is an arithmetic number, because the mean of its divisors is an integer number (1138040280).

Almost surely, 2^11001055605 is an apocalyptic number.

11001055605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11001055605 is a deficient number, since it is larger than the sum of its proper divisors (7207588875).

11001055605 is a wasteful number, since it uses less digits than its factorization.

11001055605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25289820.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 11001055605 its reverse (50655010011), we get a palindrome (61656065616).

The spelling of 11001055605 in words is "eleven billion, one million, fifty-five thousand, six hundred five".