1063846121081 has 8 divisors (see below), whose sum is σ = 1152621242784. Its totient is φ = 977981659200.

The previous prime is 1063846121077. The next prime is 1063846121083. The reversal of 1063846121081 is 1801216483601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1063846121081 - 2² = 1063846121077 is a prime.

It is a super-2 number, since 2×1063846121081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1063846121083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727664195 + ... + 727665656.

It is an arithmetic number, because the mean of its divisors is an integer number (144077655348).

Almost surely, 2^{1063846121081} is an apocalyptic number.

It is an amenable number.

1063846121081 is a deficient number, since it is larger than the sum of its proper divisors (88775121703).

1063846121081 is a wasteful number, since it uses less digits than its factorization.

1063846121081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455329911.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 1063846121081 in words is "one trillion, sixty-three billion, eight hundred forty-six million, one hundred twenty-one thousand, eighty-one".