1518031361453 has 2 divisors, whose sum is σ = 1518031361454. Its totient is φ = 1518031361452.

The previous prime is 1518031361411. The next prime is 1518031361467. The reversal of 1518031361453 is 3541631308151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1290909537124 + 227121824329 = 1136182^2 + 476573^2 .

It is an emirp because it is prime and its reverse (3541631308151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1518031361453 - 2¹² = 1518031357357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1518031361453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1518031361953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759015680726 + 759015680727.

It is an arithmetic number, because the mean of its divisors is an integer number (759015680727).

Almost surely, 2^{1518031361453} is an apocalyptic number.

It is an amenable number.

1518031361453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1518031361453 is an equidigital number, since it uses as much as digits as its factorization.

1518031361453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 1518031361453 in words is "one trillion, five hundred eighteen billion, thirty-one million, three hundred sixty-one thousand, four hundred fifty-three".