11656050977 has 2 divisors, whose sum is σ = 11656050978. Its totient is φ = 11656050976.

The previous prime is 11656050953. The next prime is 11656051061. The reversal of 11656050977 is 77905065611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9558777361 + 2097273616 = 97769^2 + 45796^2 .

It is an emirp because it is prime and its reverse (77905065611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11656050977 is a prime.

It is not a weakly prime, because it can be changed into another prime (11656050907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828025488 + 5828025489.

It is an arithmetic number, because the mean of its divisors is an integer number (5828025489).

Almost surely, 2^11656050977 is an apocalyptic number.

It is an amenable number.

11656050977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11656050977 is an equidigital number, since it uses as much as digits as its factorization.

11656050977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 47.

The spelling of 11656050977 in words is "eleven billion, six hundred fifty-six million, fifty thousand, nine hundred seventy-seven".