1131322767877 has 2 divisors, whose sum is σ = 1131322767878. Its totient is φ = 1131322767876.

The previous prime is 1131322767857. The next prime is 1131322767889. The reversal of 1131322767877 is 7787672231311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 730419785316 + 400902982561 = 854646^2 + 633169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131322767877 - 2¹⁹ = 1131322243589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131322767857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565661383938 + 565661383939.

It is an arithmetic number, because the mean of its divisors is an integer number (565661383939).

Almost surely, 2^{1131322767877} is an apocalyptic number.

It is an amenable number.

1131322767877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131322767877 is an equidigital number, since it uses as much as digits as its factorization.

1131322767877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4148928, while the sum is 55.

The spelling of 1131322767877 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-two million, seven hundred sixty-seven thousand, eight hundred seventy-seven".