5111439228 has 60 divisors (see below), whose sum is σ = 15271220272. Its totient is φ = 1460410560.

The previous prime is 5111439199. The next prime is 5111439251. The reversal of 5111439228 is 8229341115.

It is a super-2 number, since 2×5111439228² = 52253621963074471968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5111439192 and 5111439201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1124593 + ... + 1129128.

Almost surely, 2^5111439228 is an apocalyptic number.

It is an amenable number.

5111439228 is an abundant number, since it is smaller than the sum of its proper divisors (10159781044).

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

5111439228 is a wasteful number, since it uses less digits than its factorization.

5111439228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253744 (or 2253733 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 5111439228 is about 71494.3300409200. The cubic root of 5111439228 is about 1722.5866107164.

The spelling of 5111439228 in words is "five billion, one hundred eleven million, four hundred thirty-nine thousand, two hundred twenty-eight".