1142361140549 has 2 divisors, whose sum is σ = 1142361140550. Its totient is φ = 1142361140548.

The previous prime is 1142361140513. The next prime is 1142361140573. The reversal of 1142361140549 is 9450411632411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922765808449 + 219595332100 = 960607^2 + 468610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142361140549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142361140449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571180570274 + 571180570275.

It is an arithmetic number, because the mean of its divisors is an integer number (571180570275).

Almost surely, 2^{1142361140549} is an apocalyptic number.

It is an amenable number.

1142361140549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142361140549 is an equidigital number, since it uses as much as digits as its factorization.

1142361140549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 1142361140549 in words is "one trillion, one hundred forty-two billion, three hundred sixty-one million, one hundred forty thousand, five hundred forty-nine".