1123032544261 has 2 divisors, whose sum is σ = 1123032544262. Its totient is φ = 1123032544260.

The previous prime is 1123032544219. The next prime is 1123032544267. The reversal of 1123032544261 is 1624452303211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 875918169025 + 247114375236 = 935905^2 + 497106^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123032544261 - 2³⁹ = 573276730373 is a prime.

It is a super-2 number, since 2×1123032544261² (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 (1123032544267) 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, 561516272130 + 561516272131.

It is an arithmetic number, because the mean of its divisors is an integer number (561516272131).

Almost surely, 2^{1123032544261} is an apocalyptic number.

It is an amenable number.

1123032544261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123032544261 is an equidigital number, since it uses as much as digits as its factorization.

1123032544261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 1123032544261 its reverse (1624452303211), we get a palindrome (2747484847472).

The spelling of 1123032544261 in words is "one trillion, one hundred twenty-three billion, thirty-two million, five hundred forty-four thousand, two hundred sixty-one".