5111100444 has 24 divisors (see below), whose sum is σ = 11991795088. Its totient is φ = 1694286720.

The previous prime is 5111100437. The next prime is 5111100481. The reversal of 5111100444 is 4440011115.

It is a super-2 number, since 2×5111100444² = 52246695497313994272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5111100444.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1174417 + ... + 1178760.

Almost surely, 2^5111100444 is an apocalyptic number.

It is an amenable number.

5111100444 is an abundant number, since it is smaller than the sum of its proper divisors (6880694644).

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

5111100444 is a wasteful number, since it uses less digits than its factorization.

5111100444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353365 (or 2353363 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 5111100444 is about 71491.9606948921. The cubic root of 5111100444 is about 1722.5485524416.

Adding to 5111100444 its reverse (4440011115), we get a palindrome (9551111559).

The spelling of 5111100444 in words is "five billion, one hundred eleven million, one hundred thousand, four hundred forty-four".