11211053505433 has 4 divisors (see below), whose sum is σ = 11237683086628. Its totient is φ = 11184423924240.

The previous prime is 11211053505409. The next prime is 11211053505461. The reversal of 11211053505433 is 33450535011211.

11211053505433 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.

It can be written as a sum of positive squares in 2 ways, for example, as 694802268304 + 10516251237129 = 833548^2 + 3242877^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211053505433 - 2⁹ = 11211053504921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211053505133) 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, 13314789966 + ... + 13314790807.

It is an arithmetic number, because the mean of its divisors is an integer number (2809420771657).

Almost surely, 2^{11211053505433} is an apocalyptic number.

It is an amenable number.

11211053505433 is a deficient number, since it is larger than the sum of its proper divisors (26629581195).

11211053505433 is an equidigital number, since it uses as much as digits as its factorization.

11211053505433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26629581194.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 11211053505433 its reverse (33450535011211), we get a palindrome (44661588516644).

The spelling of 11211053505433 in words is "eleven trillion, two hundred eleven billion, fifty-three million, five hundred five thousand, four hundred thirty-three".