1138863650024 has 8 divisors (see below), whose sum is σ = 2135369343810. Its totient is φ = 569431825008.

The previous prime is 1138863650017. The next prime is 1138863650047. The reversal of 1138863650024 is 4200563688311.

It can be written as a sum of positive squares in only one way, i.e., 1025597747524 + 113265902500 = 1012718^2 + 336550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71178978119 + ... + 71178978134.

Almost surely, 2^{1138863650024} is an apocalyptic number.

It is an amenable number.

1138863650024 is a deficient number, since it is larger than the sum of its proper divisors (996505693786).

1138863650024 is a wasteful number, since it uses less digits than its factorization.

1138863650024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142357956259 (or 142357956255 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 1138863650024 in words is "one trillion, one hundred thirty-eight billion, eight hundred sixty-three million, six hundred fifty thousand, twenty-four".