1125992099777 has 2 divisors, whose sum is σ = 1125992099778. Its totient is φ = 1125992099776.

The previous prime is 1125992099747. The next prime is 1125992099797. The reversal of 1125992099777 is 7779902995211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 841459470721 + 284532629056 = 917311^2 + 533416^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125992099777 - 2³⁴ = 1108812230593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125992099747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562996049888 + 562996049889.

It is an arithmetic number, because the mean of its divisors is an integer number (562996049889).

Almost surely, 2^{1125992099777} is an apocalyptic number.

It is an amenable number.

1125992099777 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125992099777 is an equidigital number, since it uses as much as digits as its factorization.

1125992099777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45008460, while the sum is 68.

The spelling of 1125992099777 in words is "one trillion, one hundred twenty-five billion, nine hundred ninety-two million, ninety-nine thousand, seven hundred seventy-seven".