1140054313261 has 2 divisors, whose sum is σ = 1140054313262. Its totient is φ = 1140054313260.

The previous prime is 1140054313241. The next prime is 1140054313313. The reversal of 1140054313261 is 1623134500411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 872320508361 + 267733804900 = 933981^2 + 517430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140054313261 - 2¹³ = 1140054305069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140054313241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570027156630 + 570027156631.

It is an arithmetic number, because the mean of its divisors is an integer number (570027156631).

Almost surely, 2^{1140054313261} is an apocalyptic number.

It is an amenable number.

1140054313261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140054313261 is an equidigital number, since it uses as much as digits as its factorization.

1140054313261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 1140054313261 its reverse (1623134500411), we get a palindrome (2763188813672).

The spelling of 1140054313261 in words is "one trillion, one hundred forty billion, fifty-four million, three hundred thirteen thousand, two hundred sixty-one".