11020535311 has 16 divisors (see below), whose sum is σ = 12190746240. Its totient is φ = 9915404800.

The previous prime is 11020535291. The next prime is 11020535321. The reversal of 11020535311 is 11353502011.

It is a cyclic number.

It is not a de Polignac number, because 11020535311 - 2⁹ = 11020534799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020535321) 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, 60871 + ... + 160456.

It is an arithmetic number, because the mean of its divisors is an integer number (761921640).

Almost surely, 2^11020535311 is an apocalyptic number.

11020535311 is a deficient number, since it is larger than the sum of its proper divisors (1170210929).

11020535311 is a wasteful number, since it uses less digits than its factorization.

11020535311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221474.

The product of its (nonzero) digits is 450, while the sum is 22.

The spelling of 11020535311 in words is "eleven billion, twenty million, five hundred thirty-five thousand, three hundred eleven".