8128605051 has 24 divisors (see below), whose sum is σ = 13692504800. Its totient is φ = 4644915408.

The previous prime is 8128605041. The next prime is 8128605059. The reversal of 8128605051 is 1505068218.

It is not a de Polignac number, because 8128605051 - 2⁶ = 8128604987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8128604997 and 8128605015.

It is not an unprimeable number, because it can be changed into a prime (8128605059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1313500 + ... + 1319673.

Almost surely, 2^8128605051 is an apocalyptic number.

8128605051 is a deficient number, since it is larger than the sum of its proper divisors (5563899749).

8128605051 is a wasteful number, since it uses less digits than its factorization.

8128605051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633200 (or 2633183 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 8128605051 is about 90158.7768938776. The cubic root of 8128605051 is about 2010.6601670515.

The spelling of 8128605051 in words is "eight billion, one hundred twenty-eight million, six hundred five thousand, fifty-one".