5011312644 has 48 divisors (see below), whose sum is σ = 13991703040. Its totient is φ = 1541941920.

The previous prime is 5011312613. The next prime is 5011312661. The reversal of 5011312644 is 4462131105.

It is a happy number.

5011312644 is a `hidden beast` number, since 5 + 0 + 1 + 1 + 3 + 12 + 644 = 666.

It is a super-2 number, since 2×5011312644² = 50226508831828541472, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783252 + ... + 1786059.

Almost surely, 2^5011312644 is an apocalyptic number.

5011312644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5011312644 is an abundant number, since it is smaller than the sum of its proper divisors (8980390396).

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

5011312644 is a wasteful number, since it uses less digits than its factorization.

5011312644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569337 (or 3569329 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 5011312644 is about 70790.6253963051. The cubic root of 5011312644 is about 1711.2645985697.

Adding to 5011312644 its reverse (4462131105), we get a palindrome (9473443749).

The spelling of 5011312644 in words is "five billion, eleven million, three hundred twelve thousand, six hundred forty-four".