1178810563998 has 16 divisors (see below), whose sum is σ = 2357635931280. Its totient is φ = 392934387456.

The previous prime is 1178810563993. The next prime is 1178810564003. The reversal of 1178810563998 is 8993650188711.

It is an interprime number because it is at equal distance from previous prime (1178810563993) and next prime (1178810564003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178810563993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604398 + ... + 1650126.

It is an arithmetic number, because the mean of its divisors is an integer number (147352245705).

Almost surely, 2^{1178810563998} is an apocalyptic number.

1178810563998 is an abundant number, since it is smaller than the sum of its proper divisors (1178825367282).

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

1178810563998 is a wasteful number, since it uses less digits than its factorization.

1178810563998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233611.

The product of its (nonzero) digits is 26127360, while the sum is 66.

The spelling of 1178810563998 in words is "one trillion, one hundred seventy-eight billion, eight hundred ten million, five hundred sixty-three thousand, nine hundred ninety-eight".