11617542073 has 2 divisors, whose sum is σ = 11617542074. Its totient is φ = 11617542072.

The previous prime is 11617542067. The next prime is 11617542119. The reversal of 11617542073 is 37024571611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11439799849 + 177742224 = 106957^2 + 13332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11617542073 is a prime.

It is not a weakly prime, because it can be changed into another prime (11617542173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808771036 + 5808771037.

It is an arithmetic number, because the mean of its divisors is an integer number (5808771037).

Almost surely, 2^11617542073 is an apocalyptic number.

It is an amenable number.

11617542073 is a deficient number, since it is larger than the sum of its proper divisors (1).

11617542073 is an equidigital number, since it uses as much as digits as its factorization.

11617542073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 11617542073 in words is "eleven billion, six hundred seventeen million, five hundred forty-two thousand, seventy-three".