1218059385048 has 72 divisors (see below), whose sum is σ = 3626075571300. Its totient is φ = 369108901920.

The previous prime is 1218059385041. The next prime is 1218059385199. The reversal of 1218059385048 is 8405839508121.

1218059385048 is a `hidden beast` number, since 1 + 2 + 1 + 8 + 0 + 593 + 8 + 5 + 0 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 1218059384985 and 1218059385003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218059385041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 69898278 + ... + 69915701.

Almost surely, 2^{1218059385048} is an apocalyptic number.

1218059385048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1218059385048 is an abundant number, since it is smaller than the sum of its proper divisors (2408016186252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1218059385048 is a wasteful number, since it uses less digits than its factorization.

1218059385048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139814013 (or 139813995 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 1218059385048 in words is "one trillion, two hundred eighteen billion, fifty-nine million, three hundred eighty-five thousand, forty-eight".