1131100001177 has 2 divisors, whose sum is σ = 1131100001178. Its totient is φ = 1131100001176.

The previous prime is 1131100001149. The next prime is 1131100001233. The reversal of 1131100001177 is 7711000011311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969665600656 + 161434400521 = 984716^2 + 401789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131100001177 - 2⁶ = 1131100001113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131100001477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565550000588 + 565550000589.

It is an arithmetic number, because the mean of its divisors is an integer number (565550000589).

Almost surely, 2^{1131100001177} is an apocalyptic number.

It is an amenable number.

1131100001177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131100001177 is an equidigital number, since it uses as much as digits as its factorization.

1131100001177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147, while the sum is 23.

Adding to 1131100001177 its reverse (7711000011311), we get a palindrome (8842100012488).

The spelling of 1131100001177 in words is "one trillion, one hundred thirty-one billion, one hundred million, one thousand, one hundred seventy-seven".