11540040653 has 2 divisors, whose sum is σ = 11540040654. Its totient is φ = 11540040652.

The previous prime is 11540040647. The next prime is 11540040703. The reversal of 11540040653 is 35604004511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6617334409 + 4922706244 = 81347^2 + 70162^2 .

It is a cyclic number.

It is not a de Polignac number, because 11540040653 - 2⁸ = 11540040397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11540042653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5770020326 + 5770020327.

It is an arithmetic number, because the mean of its divisors is an integer number (5770020327).

Almost surely, 2^11540040653 is an apocalyptic number.

It is an amenable number.

11540040653 is a deficient number, since it is larger than the sum of its proper divisors (1).

11540040653 is an equidigital number, since it uses as much as digits as its factorization.

11540040653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 11540040653 in words is "eleven billion, five hundred forty million, forty thousand, six hundred fifty-three".