1518212813041 has 2 divisors, whose sum is σ = 1518212813042. Its totient is φ = 1518212813040.

The previous prime is 1518212813021. The next prime is 1518212813057. The reversal of 1518212813041 is 1403182128151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1251089227441 + 267123585600 = 1118521^2 + 516840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1518212813041 - 2⁵ = 1518212813009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1518212813021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759106406520 + 759106406521.

It is an arithmetic number, because the mean of its divisors is an integer number (759106406521).

Almost surely, 2^{1518212813041} is an apocalyptic number.

It is an amenable number.

1518212813041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1518212813041 is an equidigital number, since it uses as much as digits as its factorization.

1518212813041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 37.

The spelling of 1518212813041 in words is "one trillion, five hundred eighteen billion, two hundred twelve million, eight hundred thirteen thousand, forty-one".