5111100544 has 64 divisors (see below), whose sum is σ = 11233015200. Its totient is φ = 2297067520.

The previous prime is 5111100523. The next prime is 5111100583. The reversal of 5111100544 is 4450011115.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×5111100544² = 52246697541754191872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 104919 + ... + 145705.

Almost surely, 2^5111100544 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 5111100544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5616507600).

5111100544 is an abundant number, since it is smaller than the sum of its proper divisors (6121914656).

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

5111100544 is a wasteful number, since it uses less digits than its factorization.

5111100544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40901 (or 40889 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 5111100544 is about 71491.9613942715. The cubic root of 5111100544 is about 1722.5485636757.

Adding to 5111100544 its reverse (4450011115), we get a palindrome (9561111659).

The spelling of 5111100544 in words is "five billion, one hundred eleven million, one hundred thousand, five hundred forty-four".