11880319922657 has 2 divisors, whose sum is σ = 11880319922658. Its totient is φ = 11880319922656.

The previous prime is 11880319922593. The next prime is 11880319922659. The reversal of 11880319922657 is 75622991308811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8387603730496 + 3492716192161 = 2896136^2 + 1868881^2 .

It is a cyclic number.

It is not a de Polignac number, because 11880319922657 - 2⁶ = 11880319922593 is a prime.

It is a super-2 number, since 2×11880319922657² (a number of 27 digits) contains 22 as substring.

Together with 11880319922659, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11880319922657.

It is not a weakly prime, because it can be changed into another prime (11880319922659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5940159961328 + 5940159961329.

It is an arithmetic number, because the mean of its divisors is an integer number (5940159961329).

Almost surely, 2^{11880319922657} is an apocalyptic number.

It is an amenable number.

11880319922657 is a deficient number, since it is larger than the sum of its proper divisors (1).

11880319922657 is an equidigital number, since it uses as much as digits as its factorization.

11880319922657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 62.

The spelling of 11880319922657 in words is "eleven trillion, eight hundred eighty billion, three hundred nineteen million, nine hundred twenty-two thousand, six hundred fifty-seven".