5251121152 has 60 divisors (see below), whose sum is σ = 10637478880. Its totient is φ = 2591686656.

The previous prime is 5251121149. The next prime is 5251121153. The reversal of 5251121152 is 2511211525.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251121153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292308 + ... + 1296364.

Almost surely, 2^5251121152 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 5251121152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5318739440).

5251121152 is an abundant number, since it is smaller than the sum of its proper divisors (5386357728).

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

5251121152 is an frugal number, since it uses more digits than its factorization.

5251121152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164 (or 4138 counting only the distinct ones).

The product of its digits is 1000, while the sum is 25.

The square root of 5251121152 is about 72464.6200017636. The cubic root of 5251121152 is about 1738.1370328192.

Adding to 5251121152 its reverse (2511211525), we get a palindrome (7762332677).

The spelling of 5251121152 in words is "five billion, two hundred fifty-one million, one hundred twenty-one thousand, one hundred fifty-two".