1083183721081 has 16 divisors (see below), whose sum is σ = 1350814233600. Its totient is φ = 843819630480.

The previous prime is 1083183721057. The next prime is 1083183721091. The reversal of 1083183721081 is 1801273813801.

It is a cyclic number.

It is not a de Polignac number, because 1083183721081 - 2⁵ = 1083183721049 is a prime.

It is a super-2 number, since 2×1083183721081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1083183721001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1532131 + ... + 2124568.

It is an arithmetic number, because the mean of its divisors is an integer number (84425889600).

Almost surely, 2^{1083183721081} is an apocalyptic number.

1083183721081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1083183721081 is a deficient number, since it is larger than the sum of its proper divisors (267630512519).

1083183721081 is a wasteful number, since it uses less digits than its factorization.

1083183721081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660564.

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 1083183721081 in words is "one trillion, eighty-three billion, one hundred eighty-three million, seven hundred twenty-one thousand, eighty-one".