1152458665478 has 16 divisors (see below), whose sum is σ = 1799688376080. Its totient is φ = 552815661216.

The previous prime is 1152458665409. The next prime is 1152458665481. The reversal of 1152458665478 is 8745668542511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152458665478.

It is a congruent number.

It is an unprimeable number.

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, 63271076 + ... + 63289287.

It is an arithmetic number, because the mean of its divisors is an integer number (112480523505).

Almost surely, 2^{1152458665478} is an apocalyptic number.

1152458665478 is a deficient number, since it is larger than the sum of its proper divisors (647229710602).

1152458665478 is a wasteful number, since it uses less digits than its factorization.

1152458665478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126560551.

The product of its digits is 64512000, while the sum is 62.

The spelling of 1152458665478 in words is "one trillion, one hundred fifty-two billion, four hundred fifty-eight million, six hundred sixty-five thousand, four hundred seventy-eight".