5101365128 has 8 divisors (see below), whose sum is σ = 9565059630. Its totient is φ = 2550682560.

The previous prime is 5101365127. The next prime is 5101365131. The reversal of 5101365128 is 8215631015.

It can be written as a sum of positive squares in only one way, i.e., 5080553284 + 20811844 = 71278^2 + 4562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 5101365094 and 5101365103.

It is not an unprimeable number, because it can be changed into a prime (5101365127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318835313 + ... + 318835328.

Almost surely, 2^5101365128 is an apocalyptic number.

It is an amenable number.

5101365128 is a deficient number, since it is larger than the sum of its proper divisors (4463694502).

5101365128 is a wasteful number, since it uses less digits than its factorization.

5101365128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637670647 (or 637670643 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 5101365128 is about 71423.8414536771. The cubic root of 5101365128 is about 1721.4541884418.

The spelling of 5101365128 in words is "five billion, one hundred one million, three hundred sixty-five thousand, one hundred twenty-eight".