1131125799269 has 2 divisors, whose sum is σ = 1131125799270. Its totient is φ = 1131125799268.

The previous prime is 1131125799259. The next prime is 1131125799277. The reversal of 1131125799269 is 9629975211311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092213108100 + 38912691169 = 1045090^2 + 197263^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131125799269 - 2⁴ = 1131125799253 is a prime.

It is a super-2 number, since 2×1131125799269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131125799259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565562899634 + 565562899635.

It is an arithmetic number, because the mean of its divisors is an integer number (565562899635).

Almost surely, 2^{1131125799269} is an apocalyptic number.

It is an amenable number.

1131125799269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131125799269 is an equidigital number, since it uses as much as digits as its factorization.

1131125799269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 56.

The spelling of 1131125799269 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-five million, seven hundred ninety-nine thousand, two hundred sixty-nine".