11005505601 has 4 divisors (see below), whose sum is σ = 14674007472. Its totient is φ = 7337003732.

The previous prime is 11005505573. The next prime is 11005505617. The reversal of 11005505601 is 10650550011.

11005505601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11005505601 - 2⁷ = 11005505473 is a prime.

It is a super-2 number, since 2×11005505601² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11005305601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834250931 + ... + 1834250936.

It is an arithmetic number, because the mean of its divisors is an integer number (3668501868).

Almost surely, 2^11005505601 is an apocalyptic number.

It is an amenable number.

11005505601 is a deficient number, since it is larger than the sum of its proper divisors (3668501871).

11005505601 is an equidigital number, since it uses as much as digits as its factorization.

11005505601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668501870.

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

The spelling of 11005505601 in words is "eleven billion, five million, five hundred five thousand, six hundred one".