1140042253501 has 2 divisors, whose sum is σ = 1140042253502. Its totient is φ = 1140042253500.

The previous prime is 1140042253499. The next prime is 1140042253601. The reversal of 1140042253501 is 1053522400411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1088529142276 + 51513111225 = 1043326^2 + 226965^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140042253501 - 2¹ = 1140042253499 is a prime.

Together with 1140042253499, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1140042253501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140042253001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570021126750 + 570021126751.

It is an arithmetic number, because the mean of its divisors is an integer number (570021126751).

Almost surely, 2^{1140042253501} is an apocalyptic number.

It is an amenable number.

1140042253501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140042253501 is an equidigital number, since it uses as much as digits as its factorization.

1140042253501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1140042253501 its reverse (1053522400411), we get a palindrome (2193564653912).

The spelling of 1140042253501 in words is "one trillion, one hundred forty billion, forty-two million, two hundred fifty-three thousand, five hundred one".