1083705997920 has 192 divisors, whose sum is σ = 4201444961280. Its totient is φ = 228650047488.

The previous prime is 1083705997903. The next prime is 1083705997949. The reversal of 1083705997920 is 297995073801.

1083705997920 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12361380 + ... + 12448739.

It is an arithmetic number, because the mean of its divisors is an integer number (21882525840).

Almost surely, 2^{1083705997920} is an apocalyptic number.

1083705997920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1083705997920 is an abundant number, since it is smaller than the sum of its proper divisors (3117738963360).

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

1083705997920 is a wasteful number, since it uses less digits than its factorization.

1083705997920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24810157 (or 24810149 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 60.

The spelling of 1083705997920 in words is "one trillion, eighty-three billion, seven hundred five million, nine hundred ninety-seven thousand, nine hundred twenty".