1140750831481 has 2 divisors, whose sum is σ = 1140750831482. Its totient is φ = 1140750831480.

The previous prime is 1140750831401. The next prime is 1140750831509. The reversal of 1140750831481 is 1841380570411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1069033991481 + 71716840000 = 1033941^2 + 267800^2 .

It is an emirp because it is prime and its reverse (1841380570411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1140750831481 - 2¹¹ = 1140750829433 is a prime.

It is a super-2 number, since 2×1140750831481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1140750831401) 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, 570375415740 + 570375415741.

It is an arithmetic number, because the mean of its divisors is an integer number (570375415741).

Almost surely, 2^{1140750831481} is an apocalyptic number.

It is an amenable number.

1140750831481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140750831481 is an equidigital number, since it uses as much as digits as its factorization.

1140750831481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 43.

The spelling of 1140750831481 in words is "one trillion, one hundred forty billion, seven hundred fifty million, eight hundred thirty-one thousand, four hundred eighty-one".