5115081312 has 480 divisors, whose sum is σ = 17763175584. Its totient is φ = 1426636800.

The previous prime is 5115081271. The next prime is 5115081347. The reversal of 5115081312 is 2131805115.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 29566858 + ... + 29567030.

Almost surely, 2^5115081312 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 5115081312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8881587792).

5115081312 is an abundant number, since it is smaller than the sum of its proper divisors (12648094272).

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

5115081312 is a wasteful number, since it uses less digits than its factorization.

5115081312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 267 counting only the distinct ones).

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

The square root of 5115081312 is about 71519.7966440062. The cubic root of 5115081312 is about 1722.9956485196.

Adding to 5115081312 its reverse (2131805115), we get a palindrome (7246886427).

The spelling of 5115081312 in words is "five billion, one hundred fifteen million, eighty-one thousand, three hundred twelve".