1018612138984 has 32 divisors (see below), whose sum is σ = 2105004484800. Its totient is φ = 458232261120.

The previous prime is 1018612138981. The next prime is 1018612138991. The reversal of 1018612138984 is 4898312168101.

It is not an unprimeable number, because it can be changed into a prime (1018612138981) 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 7 ways as a sum of consecutive naturals, for example, 59657124 + ... + 59674195.

It is an arithmetic number, because the mean of its divisors is an integer number (65781390150).

Almost surely, 2^{1018612138984} is an apocalyptic number.

It is an amenable number.

1018612138984 is an abundant number, since it is smaller than the sum of its proper divisors (1086392345816).

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

1018612138984 is a wasteful number, since it uses less digits than its factorization.

1018612138984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119331433 (or 119331429 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 52.

The spelling of 1018612138984 in words is "one trillion, eighteen billion, six hundred twelve million, one hundred thirty-eight thousand, nine hundred eighty-four".