1518212811007 has 2 divisors, whose sum is σ = 1518212811008. Its totient is φ = 1518212811006.

The previous prime is 1518212810993. The next prime is 1518212811091. The reversal of 1518212811007 is 7001182128151.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1518212811007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1518212811097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759106405503 + 759106405504.

It is an arithmetic number, because the mean of its divisors is an integer number (759106405504).

Almost surely, 2^{1518212811007} is an apocalyptic number.

1518212811007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1518212811007 is an equidigital number, since it uses as much as digits as its factorization.

1518212811007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 37.

Adding to 1518212811007 its reverse (7001182128151), we get a palindrome (8519394939158).

The spelling of 1518212811007 in words is "one trillion, five hundred eighteen billion, two hundred twelve million, eight hundred eleven thousand, seven".