11420313133 has 2 divisors, whose sum is σ = 11420313134. Its totient is φ = 11420313132.

The previous prime is 11420313097. The next prime is 11420313137. The reversal of 11420313133 is 33131302411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10290479364 + 1129833769 = 101442^2 + 33613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11420313133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11420313137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710156566 + 5710156567.

It is an arithmetic number, because the mean of its divisors is an integer number (5710156567).

Almost surely, 2^11420313133 is an apocalyptic number.

It is an amenable number.

11420313133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420313133 is an equidigital number, since it uses as much as digits as its factorization.

11420313133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11420313133 its reverse (33131302411), we get a palindrome (44551615544).

The spelling of 11420313133 in words is "eleven billion, four hundred twenty million, three hundred thirteen thousand, one hundred thirty-three".