1144918415868 has 48 divisors (see below), whose sum is σ = 2709615068160. Its totient is φ = 376197035904.

The previous prime is 1144918415801. The next prime is 1144918415881. The reversal of 1144918415868 is 8685148194411.

It is a happy number.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1169371 + ... + 1912397.

It is an arithmetic number, because the mean of its divisors is an integer number (56450313920).

Almost surely, 2^{1144918415868} is an apocalyptic number.

It is an amenable number.

1144918415868 is an abundant number, since it is smaller than the sum of its proper divisors (1564696652292).

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

1144918415868 is a wasteful number, since it uses less digits than its factorization.

1144918415868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744866 (or 744864 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 60.

The spelling of 1144918415868 in words is "one trillion, one hundred forty-four billion, nine hundred eighteen million, four hundred fifteen thousand, eight hundred sixty-eight".