11285831273 has 2 divisors, whose sum is σ = 11285831274. Its totient is φ = 11285831272.

The previous prime is 11285831267. The next prime is 11285831311. The reversal of 11285831273 is 37213858211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7515502864 + 3770328409 = 86692^2 + 61403^2 .

It is a cyclic number.

It is not a de Polignac number, because 11285831273 - 2⁶ = 11285831209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11285831273.

It is not a weakly prime, because it can be changed into another prime (11285831873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5642915636 + 5642915637.

It is an arithmetic number, because the mean of its divisors is an integer number (5642915637).

Almost surely, 2^11285831273 is an apocalyptic number.

It is an amenable number.

11285831273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11285831273 is an equidigital number, since it uses as much as digits as its factorization.

11285831273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The spelling of 11285831273 in words is "eleven billion, two hundred eighty-five million, eight hundred thirty-one thousand, two hundred seventy-three".