5251012512 has 96 divisors (see below), whose sum is σ = 13965299712. Its totient is φ = 1727426304.

The previous prime is 5251012489. The next prime is 5251012541. The reversal of 5251012512 is 2152101525.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3628173 + ... + 3629619.

It is an arithmetic number, because the mean of its divisors is an integer number (145471872).

Almost surely, 2^5251012512 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 5251012512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6982649856).

5251012512 is an abundant number, since it is smaller than the sum of its proper divisors (8714287200).

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

5251012512 is a wasteful number, since it uses less digits than its factorization.

5251012512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 5251012512 is about 72463.8703906988. The cubic root of 5251012512 is about 1738.1250460133.

The spelling of 5251012512 in words is "five billion, two hundred fifty-one million, twelve thousand, five hundred twelve".