1131886264361 has 2 divisors, whose sum is σ = 1131886264362. Its totient is φ = 1131886264360.

The previous prime is 1131886264307. The next prime is 1131886264393. The reversal of 1131886264361 is 1634626881311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1098964339225 + 32921925136 = 1048315^2 + 181444^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131886264361 - 2¹⁴ = 1131886247977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131886264961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565943132180 + 565943132181.

It is an arithmetic number, because the mean of its divisors is an integer number (565943132181).

Almost surely, 2^{1131886264361} is an apocalyptic number.

It is an amenable number.

1131886264361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131886264361 is an equidigital number, since it uses as much as digits as its factorization.

1131886264361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 50.

The spelling of 1131886264361 in words is "one trillion, one hundred thirty-one billion, eight hundred eighty-six million, two hundred sixty-four thousand, three hundred sixty-one".