11208129973 has 2 divisors, whose sum is σ = 11208129974. Its totient is φ = 11208129972.

The previous prime is 11208129967. The next prime is 11208130061. The reversal of 11208129973 is 37992180211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6639316324 + 4568813649 = 81482^2 + 67593^2 .

It is a cyclic number.

It is not a de Polignac number, because 11208129973 - 2¹³ = 11208121781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11208129953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5604064986 + 5604064987.

It is an arithmetic number, because the mean of its divisors is an integer number (5604064987).

Almost surely, 2^11208129973 is an apocalyptic number.

It is an amenable number.

11208129973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11208129973 is an equidigital number, since it uses as much as digits as its factorization.

11208129973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 11208129973 in words is "eleven billion, two hundred eight million, one hundred twenty-nine thousand, nine hundred seventy-three".