1131264125263 has 2 divisors, whose sum is σ = 1131264125264. Its totient is φ = 1131264125262.

The previous prime is 1131264125221. The next prime is 1131264125267. The reversal of 1131264125263 is 3625214621311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131264125263 is a prime.

It is a super-2 number, since 2×1131264125263² (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 (1131264125267) 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, 565632062631 + 565632062632.

It is an arithmetic number, because the mean of its divisors is an integer number (565632062632).

Almost surely, 2^{1131264125263} is an apocalyptic number.

1131264125263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131264125263 is an equidigital number, since it uses as much as digits as its factorization.

1131264125263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

Adding to 1131264125263 its reverse (3625214621311), we get a palindrome (4756478746574).

The spelling of 1131264125263 in words is "one trillion, one hundred thirty-one billion, two hundred sixty-four million, one hundred twenty-five thousand, two hundred sixty-three".