1179358513920 has 576 divisors, whose sum is σ = 4240572336000. Its totient is φ = 310351233024.

The previous prime is 1179358513919. The next prime is 1179358513943. The reversal of 1179358513920 is 293158539711.

1179358513920 is a `hidden beast` number, since 1 + 1 + 7 + 9 + 3 + 585 + 1 + 39 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1269492016 + ... + 1269492944.

It is an arithmetic number, because the mean of its divisors is an integer number (7362104750).

Almost surely, 2^{1179358513920} is an apocalyptic number.

1179358513920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1179358513920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2120286168000).

1179358513920 is an abundant number, since it is smaller than the sum of its proper divisors (3061213822080).

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

1179358513920 is a wasteful number, since it uses less digits than its factorization.

1179358513920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 1179358513920 in words is "one trillion, one hundred seventy-nine billion, three hundred fifty-eight million, five hundred thirteen thousand, nine hundred twenty".