1258755640453 has 2 divisors, whose sum is σ = 1258755640454. Its totient is φ = 1258755640452.

The previous prime is 1258755640451. The next prime is 1258755640487. The reversal of 1258755640453 is 3540465578521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 764851695364 + 493903945089 = 874558^2 + 702783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1258755640453 - 2¹ = 1258755640451 is a prime.

Together with 1258755640451, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1258755640394 and 1258755640403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1258755640451) 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, 629377820226 + 629377820227.

It is an arithmetic number, because the mean of its divisors is an integer number (629377820227).

Almost surely, 2^{1258755640453} is an apocalyptic number.

It is an amenable number.

1258755640453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258755640453 is an equidigital number, since it uses as much as digits as its factorization.

1258755640453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160000, while the sum is 55.

The spelling of 1258755640453 in words is "one trillion, two hundred fifty-eight billion, seven hundred fifty-five million, six hundred forty thousand, four hundred fifty-three".