11605655797 has 2 divisors, whose sum is σ = 11605655798. Its totient is φ = 11605655796.

The previous prime is 11605655771. The next prime is 11605655807. The reversal of 11605655797 is 79755650611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11380835761 + 224820036 = 106681^2 + 14994^2 .

It is a cyclic number.

It is not a de Polignac number, because 11605655797 - 2²³ = 11597267189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11605655197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802827898 + 5802827899.

It is an arithmetic number, because the mean of its divisors is an integer number (5802827899).

Almost surely, 2^11605655797 is an apocalyptic number.

It is an amenable number.

11605655797 is a deficient number, since it is larger than the sum of its proper divisors (1).

11605655797 is an equidigital number, since it uses as much as digits as its factorization.

11605655797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1984500, while the sum is 52.

The spelling of 11605655797 in words is "eleven billion, six hundred five million, six hundred fifty-five thousand, seven hundred ninety-seven".