1171680404800 has 42 divisors (see below), whose sum is σ = 2883066099998. Its totient is φ = 468672161280.

The previous prime is 1171680404777. The next prime is 1171680404803. The reversal of 1171680404800 is 84040861711.

It can be written as a sum of positive squares in 3 ways, for example, as 202132966464 + 969547438336 = 449592^2 + 984656^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171680404803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 366148527 + ... + 366151726.

Almost surely, 2^{1171680404800} is an apocalyptic number.

1171680404800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1171680404800 is an abundant number, since it is smaller than the sum of its proper divisors (1711385695198).

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

1171680404800 is an equidigital number, since it uses as much as digits as its factorization.

1171680404800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732300275 (or 732300260 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 1171680404800 in words is "one trillion, one hundred seventy-one billion, six hundred eighty million, four hundred four thousand, eight hundred".