11021331253 has 2 divisors, whose sum is σ = 11021331254. Its totient is φ = 11021331252.

The previous prime is 11021331179. The next prime is 11021331263. The reversal of 11021331253 is 35213312011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8810262769 + 2211068484 = 93863^2 + 47022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021331253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021331263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510665626 + 5510665627.

It is an arithmetic number, because the mean of its divisors is an integer number (5510665627).

Almost surely, 2^11021331253 is an apocalyptic number.

It is an amenable number.

11021331253 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021331253 is an equidigital number, since it uses as much as digits as its factorization.

11021331253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 11021331253 its reverse (35213312011), we get a palindrome (46234643264).

The spelling of 11021331253 in words is "eleven billion, twenty-one million, three hundred thirty-one thousand, two hundred fifty-three".