11553573673 has 2 divisors, whose sum is σ = 11553573674. Its totient is φ = 11553573672.

The previous prime is 11553573659. The next prime is 11553573727. The reversal of 11553573673 is 37637535511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10300626064 + 1252947609 = 101492^2 + 35397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11553573673 is a prime.

It is not a weakly prime, because it can be changed into another prime (11553573173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776786836 + 5776786837.

It is an arithmetic number, because the mean of its divisors is an integer number (5776786837).

Almost surely, 2^11553573673 is an apocalyptic number.

It is an amenable number.

11553573673 is a deficient number, since it is larger than the sum of its proper divisors (1).

11553573673 is an equidigital number, since it uses as much as digits as its factorization.

11553573673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 992250, while the sum is 46.

The spelling of 11553573673 in words is "eleven billion, five hundred fifty-three million, five hundred seventy-three thousand, six hundred seventy-three".