1518212813055 has 8 divisors (see below), whose sum is σ = 2429140500912. Its totient is φ = 809713500288.

The previous prime is 1518212813041. The next prime is 1518212813057. The reversal of 1518212813055 is 5503182128151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1518212813055 - 2¹¹ = 1518212811007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1518212812998 and 1518212813016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1518212813057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50607093754 + ... + 50607093783.

It is an arithmetic number, because the mean of its divisors is an integer number (303642562614).

Almost surely, 2^{1518212813055} is an apocalyptic number.

1518212813055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1518212813055 is a deficient number, since it is larger than the sum of its proper divisors (910927687857).

1518212813055 is a wasteful number, since it uses less digits than its factorization.

1518212813055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101214187545.

The product of its (nonzero) digits is 96000, while the sum is 42.

The spelling of 1518212813055 in words is "one trillion, five hundred eighteen billion, two hundred twelve million, eight hundred thirteen thousand, fifty-five".