6045511681 has 8 divisors (see below), whose sum is σ = 6599736000. Its totient is φ = 5492059440.

The previous prime is 6045511679. The next prime is 6045511721. The reversal of 6045511681 is 1861155406.

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 6045511681 - 2¹ = 6045511679 is a prime.

It is a super-2 number, since 2×6045511681² = 73096422970214891522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6045511681.

It is not an unprimeable number, because it can be changed into a prime (6045511481) 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, 176581 + ... + 208018.

It is an arithmetic number, because the mean of its divisors is an integer number (824967000).

Almost surely, 2^6045511681 is an apocalyptic number.

It is an amenable number.

6045511681 is a deficient number, since it is larger than the sum of its proper divisors (554224319).

6045511681 is a wasteful number, since it uses less digits than its factorization.

6045511681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386039.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 6045511681 is about 77752.8885701361. Note that the first 3 decimals coincide. The cubic root of 6045511681 is about 1821.7034810579.

The spelling of 6045511681 in words is "six billion, forty-five million, five hundred eleven thousand, six hundred eighty-one".