5111204881 has 4 divisors (see below), whose sum is σ = 5139443764. Its totient is φ = 5082966000.

The previous prime is 5111204851. The next prime is 5111204893. The reversal of 5111204881 is 1884021115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 739350481 + 4371854400 = 27191^2 + 66120^2 .

It is a cyclic number.

It is not a de Polignac number, because 5111204881 - 2¹⁷ = 5111073809 is a prime.

It is a super-2 number, since 2×5111204881² = 52248830671116448322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111204851) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14119170 + ... + 14119531.

It is an arithmetic number, because the mean of its divisors is an integer number (1284860941).

Almost surely, 2^5111204881 is an apocalyptic number.

It is an amenable number.

5111204881 is a deficient number, since it is larger than the sum of its proper divisors (28238883).

5111204881 is a wasteful number, since it uses less digits than its factorization.

5111204881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28238882.

The product of its (nonzero) digits is 2560, while the sum is 31.

The square root of 5111204881 is about 71492.6911019581. The cubic root of 5111204881 is about 1722.5602848516.

Adding to 5111204881 its reverse (1884021115), we get a palindrome (6995225996).

The spelling of 5111204881 in words is "five billion, one hundred eleven million, two hundred four thousand, eight hundred eighty-one".