11635123273 has 2 divisors, whose sum is σ = 11635123274. Its totient is φ = 11635123272.

The previous prime is 11635123249. The next prime is 11635123277. The reversal of 11635123273 is 37232153611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10529427769 + 1105695504 = 102613^2 + 33252^2 .

It is a cyclic number.

It is not a de Polignac number, because 11635123273 - 2²¹ = 11633026121 is a prime.

It is not a weakly prime, because it can be changed into another prime (11635123277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5817561636 + 5817561637.

It is an arithmetic number, because the mean of its divisors is an integer number (5817561637).

Almost surely, 2^11635123273 is an apocalyptic number.

It is an amenable number.

11635123273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11635123273 is an equidigital number, since it uses as much as digits as its factorization.

11635123273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

Adding to 11635123273 its reverse (37232153611), we get a palindrome (48867276884).

The spelling of 11635123273 in words is "eleven billion, six hundred thirty-five million, one hundred twenty-three thousand, two hundred seventy-three".