5101315128 has 144 divisors (see below), whose sum is σ = 17308189080. Its totient is φ = 1345389696.

The previous prime is 5101315123. The next prime is 5101315181. The reversal of 5101315128 is 8215131015.

5101315128 is a `hidden beast` number, since 5 + 10 + 131 + 512 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5101315123) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9750 + ... + 101477.

Almost surely, 2^5101315128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5101315128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8654094540).

5101315128 is an abundant number, since it is smaller than the sum of its proper divisors (12206873952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5101315128 is a wasteful number, since it uses less digits than its factorization.

5101315128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111266 (or 111252 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 5101315128 is about 71423.4914296410. The cubic root of 5101315128 is about 1721.4485642616.

The spelling of 5101315128 in words is "five billion, one hundred one million, three hundred fifteen thousand, one hundred twenty-eight".