5151801312 has 384 divisors, whose sum is σ = 18419788800. Its totient is φ = 1367359488.

The previous prime is 5151801307. The next prime is 5151801313. The reversal of 5151801312 is 2131081515.

5151801312 is a `hidden beast` number, since 515 + 18 + 0 + 131 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5151801313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9150343 + ... + 9150905.

It is an arithmetic number, because the mean of its divisors is an integer number (47968200).

Almost surely, 2^5151801312 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 5151801312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9209894400).

5151801312 is an abundant number, since it is smaller than the sum of its proper divisors (13267987488).

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

5151801312 is a wasteful number, since it uses less digits than its factorization.

5151801312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 681 counting only the distinct ones).

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

The square root of 5151801312 is about 71776.0497101923. The cubic root of 5151801312 is about 1727.1088190199.

Adding to 5151801312 its reverse (2131081515), we get a palindrome (7282882827).

The spelling of 5151801312 in words is "five billion, one hundred fifty-one million, eight hundred one thousand, three hundred twelve".