1127299776761 has 2 divisors, whose sum is σ = 1127299776762. Its totient is φ = 1127299776760.

The previous prime is 1127299776731. The next prime is 1127299776769. The reversal of 1127299776761 is 1676779927211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 832172695225 + 295127081536 = 912235^2 + 543256^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127299776761 - 2¹⁸ = 1127299514617 is a prime.

It is a super-2 number, since 2×1127299776761² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1127299776769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563649888380 + 563649888381.

It is an arithmetic number, because the mean of its divisors is an integer number (563649888381).

Almost surely, 2^{1127299776761} is an apocalyptic number.

It is an amenable number.

1127299776761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127299776761 is an equidigital number, since it uses as much as digits as its factorization.

1127299776761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28005264, while the sum is 65.

The spelling of 1127299776761 in words is "one trillion, one hundred twenty-seven billion, two hundred ninety-nine million, seven hundred seventy-six thousand, seven hundred sixty-one".