11420544253 has 2 divisors, whose sum is σ = 11420544254. Its totient is φ = 11420544252.

The previous prime is 11420544221. The next prime is 11420544287. The reversal of 11420544253 is 35244502411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11162556409 + 257987844 = 105653^2 + 16062^2 .

It is a cyclic number.

It is not a de Polignac number, because 11420544253 - 2⁵ = 11420544221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11420544293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710272126 + 5710272127.

It is an arithmetic number, because the mean of its divisors is an integer number (5710272127).

Almost surely, 2^11420544253 is an apocalyptic number.

It is an amenable number.

11420544253 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420544253 is an equidigital number, since it uses as much as digits as its factorization.

11420544253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 11420544253 in words is "eleven billion, four hundred twenty million, five hundred forty-four thousand, two hundred fifty-three".