11020235253 has 4 divisors (see below), whose sum is σ = 14693647008. Its totient is φ = 7346823500.

The previous prime is 11020235209. The next prime is 11020235257. The reversal of 11020235253 is 35253202011.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35253202011 = 3 ⋅11751067337.

It is a cyclic number.

It is not a de Polignac number, because 11020235253 - 2⁶ = 11020235189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020235257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836705873 + ... + 1836705878.

It is an arithmetic number, because the mean of its divisors is an integer number (3673411752).

Almost surely, 2^11020235253 is an apocalyptic number.

It is an amenable number.

11020235253 is a deficient number, since it is larger than the sum of its proper divisors (3673411755).

11020235253 is an equidigital number, since it uses as much as digits as its factorization.

11020235253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673411754.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 11020235253 its reverse (35253202011), we get a palindrome (46273437264).

The spelling of 11020235253 in words is "eleven billion, twenty million, two hundred thirty-five thousand, two hundred fifty-three".