11543155269253 has 2 divisors, whose sum is σ = 11543155269254. Its totient is φ = 11543155269252.

The previous prime is 11543155269241. The next prime is 11543155269319. The reversal of 11543155269253 is 35296255134511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7194958604964 + 4348196664289 = 2682342^2 + 2085233^2 .

It is a cyclic number.

It is not a de Polignac number, because 11543155269253 - 2⁹ = 11543155268741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11543155269253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11543155269203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771577634626 + 5771577634627.

It is an arithmetic number, because the mean of its divisors is an integer number (5771577634627).

Almost surely, 2^{11543155269253} is an apocalyptic number.

It is an amenable number.

11543155269253 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543155269253 is an equidigital number, since it uses as much as digits as its factorization.

11543155269253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860000, while the sum is 52.

The spelling of 11543155269253 in words is "eleven trillion, five hundred forty-three billion, one hundred fifty-five million, two hundred sixty-nine thousand, two hundred fifty-three".