1163242039680 has 384 divisors, whose sum is σ = 4599512536320. Its totient is φ = 265370701824.

The previous prime is 1163242039549. The next prime is 1163242039691. The reversal of 1163242039680 is 869302423611.

1163242039680 is a `hidden beast` number, since 1 + 1 + 63 + 2 + 420 + 3 + 96 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21059779 + ... + 21114941.

It is an arithmetic number, because the mean of its divisors is an integer number (11977897230).

Almost surely, 2^{1163242039680} is an apocalyptic number.

1163242039680 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 1163242039680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2299756268160).

1163242039680 is an abundant number, since it is smaller than the sum of its proper divisors (3436270496640).

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

1163242039680 is a wasteful number, since it uses less digits than its factorization.

1163242039680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55718 (or 55703 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 1163242039680 in words is "one trillion, one hundred sixty-three billion, two hundred forty-two million, thirty-nine thousand, six hundred eighty".