11465163770857 has 2 divisors, whose sum is σ = 11465163770858. Its totient is φ = 11465163770856.

The previous prime is 11465163770821. The next prime is 11465163770897. The reversal of 11465163770857 is 75807736156411.

11465163770857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10686073329936 + 779090440921 = 3268956^2 + 882661^2 .

It is a cyclic number.

It is not a de Polignac number, because 11465163770857 - 2¹⁹ = 11465163246569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11465163770795 and 11465163770804.

It is not a weakly prime, because it can be changed into another prime (11465163770897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5732581885428 + 5732581885429.

It is an arithmetic number, because the mean of its divisors is an integer number (5732581885429).

Almost surely, 2^{11465163770857} is an apocalyptic number.

It is an amenable number.

11465163770857 is a deficient number, since it is larger than the sum of its proper divisors (1).

11465163770857 is an equidigital number, since it uses as much as digits as its factorization.

11465163770857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29635200, while the sum is 61.

The spelling of 11465163770857 in words is "eleven trillion, four hundred sixty-five billion, one hundred sixty-three million, seven hundred seventy thousand, eight hundred fifty-seven".