11561652073 has 2 divisors, whose sum is σ = 11561652074. Its totient is φ = 11561652072.

The previous prime is 11561652049. The next prime is 11561652119. The reversal of 11561652073 is 37025616511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6084468009 + 5477184064 = 78003^2 + 74008^2 .

It is a cyclic number.

It is not a de Polignac number, because 11561652073 - 2¹⁷ = 11561521001 is a prime.

It is not a weakly prime, because it can be changed into another prime (11561632073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780826036 + 5780826037.

It is an arithmetic number, because the mean of its divisors is an integer number (5780826037).

Almost surely, 2^11561652073 is an apocalyptic number.

It is an amenable number.

11561652073 is a deficient number, since it is larger than the sum of its proper divisors (1).

11561652073 is an equidigital number, since it uses as much as digits as its factorization.

11561652073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 11561652073 in words is "eleven billion, five hundred sixty-one million, six hundred fifty-two thousand, seventy-three".