1127299776769 has 2 divisors, whose sum is σ = 1127299776770. Its totient is φ = 1127299776768.

The previous prime is 1127299776761. The next prime is 1127299776793. The reversal of 1127299776769 is 9676779927211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 893128953025 + 234170823744 = 945055^2 + 483912^2 .

It is an emirp because it is prime and its reverse (9676779927211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1127299776769 - 2³ = 1127299776761 is a prime.

It is a super-2 number, since 2×1127299776769² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1127299776761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563649888384 + 563649888385.

It is an arithmetic number, because the mean of its divisors is an integer number (563649888385).

Almost surely, 2^{1127299776769} is an apocalyptic number.

It is an amenable number.

1127299776769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127299776769 is an equidigital number, since it uses as much as digits as its factorization.

1127299776769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252047376, while the sum is 73.

The spelling of 1127299776769 in words is "one trillion, one hundred twenty-seven billion, two hundred ninety-nine million, seven hundred seventy-six thousand, seven hundred sixty-nine".