1177979420160 has 120 divisors (see below), whose sum is σ = 4079674118520. Its totient is φ = 314127839232.

The previous prime is 1177979420147. The next prime is 1177979420183. The reversal of 1177979420160 is 610249797711.

It is a happy number.

1177979420160 is a `hidden beast` number, since 1 + 1 + 77 + 97 + 9 + 420 + 1 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 1177979420097 and 1177979420106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25540750 + ... + 25586829.

It is an arithmetic number, because the mean of its divisors is an integer number (33997284321).

Almost surely, 2^{1177979420160} is an apocalyptic number.

1177979420160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1177979420160 is an abundant number, since it is smaller than the sum of its proper divisors (2901694698360).

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

1177979420160 is an equidigital number, since it uses as much as digits as its factorization.

1177979420160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51127608 (or 51127589 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The spelling of 1177979420160 in words is "one trillion, one hundred seventy-seven billion, nine hundred seventy-nine million, four hundred twenty thousand, one hundred sixty".