11771900653 has 2 divisors, whose sum is σ = 11771900654. Its totient is φ = 11771900652.

The previous prime is 11771900627. The next prime is 11771900659. The reversal of 11771900653 is 35600917711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11660112324 + 111788329 = 107982^2 + 10573^2 .

It is a cyclic number.

It is not a de Polignac number, because 11771900653 - 2³³ = 3181966061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11771900659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5885950326 + 5885950327.

It is an arithmetic number, because the mean of its divisors is an integer number (5885950327).

Almost surely, 2^11771900653 is an apocalyptic number.

It is an amenable number.

11771900653 is a deficient number, since it is larger than the sum of its proper divisors (1).

11771900653 is an equidigital number, since it uses as much as digits as its factorization.

11771900653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 40.

The spelling of 11771900653 in words is "eleven billion, seven hundred seventy-one million, nine hundred thousand, six hundred fifty-three".