1518859105612 has 12 divisors (see below), whose sum is σ = 2691649048480. Its totient is φ = 749816520336.

The previous prime is 1518859105571. The next prime is 1518859105619. The reversal of 1518859105612 is 2165019588151.

It is a self number, because there is not a number n which added to its sum of digits gives 1518859105612.

It is not an unprimeable number, because it can be changed into a prime (1518859105619) 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 in 3 ways as a sum of consecutive naturals, for example, 2403257763 + ... + 2403258394.

Almost surely, 2^{1518859105612} is an apocalyptic number.

It is an amenable number.

1518859105612 is a deficient number, since it is larger than the sum of its proper divisors (1172789942868).

1518859105612 is a wasteful number, since it uses less digits than its factorization.

1518859105612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806516240 (or 4806516238 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 52.

The spelling of 1518859105612 in words is "one trillion, five hundred eighteen billion, eight hundred fifty-nine million, one hundred five thousand, six hundred twelve".