1094405979576 has 512 divisors, whose sum is σ = 3758995537920. Its totient is φ = 257286758400.

The previous prime is 1094405979553. The next prime is 1094405979581. The reversal of 1094405979576 is 6759795044901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 54085381 + ... + 54105611.

It is an arithmetic number, because the mean of its divisors is an integer number (7341788160).

Almost surely, 2^{1094405979576} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1094405979576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879497768960).

1094405979576 is an abundant number, since it is smaller than the sum of its proper divisors (2664589558344).

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

1094405979576 is a wasteful number, since it uses less digits than its factorization.

1094405979576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20355 (or 20351 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 66.

The spelling of 1094405979576 in words is "one trillion, ninety-four billion, four hundred five million, nine hundred seventy-nine thousand, five hundred seventy-six".