11220535355 has 4 divisors (see below), whose sum is σ = 13464642432. Its totient is φ = 8976428280.

The previous prime is 11220535327. The next prime is 11220535357. The reversal of 11220535355 is 55353502211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11220535355 - 2³² = 6925568059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220535357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122053531 + ... + 1122053540.

It is an arithmetic number, because the mean of its divisors is an integer number (3366160608).

Almost surely, 2^11220535355 is an apocalyptic number.

11220535355 is a deficient number, since it is larger than the sum of its proper divisors (2244107077).

11220535355 is an equidigital number, since it uses as much as digits as its factorization.

11220535355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244107076.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 11220535355 in words is "eleven billion, two hundred twenty million, five hundred thirty-five thousand, three hundred fifty-five".