10557994081 has 12 divisors (see below), whose sum is σ = 11147048064. Its totient is φ = 9998609400.

The previous prime is 10557994063. The next prime is 10557994087. The reversal of 10557994081 is 18049975501.

It is not a de Polignac number, because 10557994081 - 2⁹ = 10557993569 is a prime.

It is a super-3 number, since 3×10557994081³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10557994087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1885596 + ... + 1891186.

It is an arithmetic number, because the mean of its divisors is an integer number (928920672).

Almost surely, 2^10557994081 is an apocalyptic number.

It is an amenable number.

10557994081 is a deficient number, since it is larger than the sum of its proper divisors (589053983).

10557994081 is an equidigital number, since it uses as much as digits as its factorization.

10557994081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860 (or 10841 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 10557994081 in words is "ten billion, five hundred fifty-seven million, nine hundred ninety-four thousand, eighty-one".