11355530011 has 16 divisors (see below), whose sum is σ = 13016203200. Its totient is φ = 9704521728.

The previous prime is 11355529993. The next prime is 11355530033. The reversal of 11355530011 is 11003555311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11355530011 - 2²¹ = 11353432859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11355533011) 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, 4159695 + ... + 4162423.

It is an arithmetic number, because the mean of its divisors is an integer number (813512700).

Almost surely, 2^11355530011 is an apocalyptic number.

11355530011 is a deficient number, since it is larger than the sum of its proper divisors (1660673189).

11355530011 is an equidigital number, since it uses as much as digits as its factorization.

11355530011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278.

The product of its (nonzero) digits is 1125, while the sum is 25.

It can be divided in two parts, 113555300 and 11, that added together give a palindrome (113555311).

The spelling of 11355530011 in words is "eleven billion, three hundred fifty-five million, five hundred thirty thousand, eleven".