1140434032261 has 2 divisors, whose sum is σ = 1140434032262. Its totient is φ = 1140434032260.

The previous prime is 1140434032217. The next prime is 1140434032291. The reversal of 1140434032261 is 1622304340411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043678819236 + 96755213025 = 1021606^2 + 311055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140434032261 - 2³⁹ = 590678218373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140434032291) 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, 570217016130 + 570217016131.

It is an arithmetic number, because the mean of its divisors is an integer number (570217016131).

Almost surely, 2^{1140434032261} is an apocalyptic number.

It is an amenable number.

1140434032261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140434032261 is an equidigital number, since it uses as much as digits as its factorization.

1140434032261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1140434032261 its reverse (1622304340411), we get a palindrome (2762738372672).

The spelling of 1140434032261 in words is "one trillion, one hundred forty billion, four hundred thirty-four million, thirty-two thousand, two hundred sixty-one".