1178168852550 has 96 divisors (see below), whose sum is σ = 3136113195552. Its totient is φ = 291646586880.

The previous prime is 1178168852519. The next prime is 1178168852569. The reversal of 1178168852550 is 552588618711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2978419 + ... + 3350718.

It is an arithmetic number, because the mean of its divisors is an integer number (32667845787).

Almost surely, 2^{1178168852550} is an apocalyptic number.

1178168852550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1178168852550 is an abundant number, since it is smaller than the sum of its proper divisors (1957944343002).

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

1178168852550 is a wasteful number, since it uses less digits than its factorization.

1178168852550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329242 (or 6329237 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 57.

The spelling of 1178168852550 in words is "one trillion, one hundred seventy-eight billion, one hundred sixty-eight million, eight hundred fifty-two thousand, five hundred fifty".