5211445541 has 8 divisors (see below), whose sum is σ = 5221065024. Its totient is φ = 5201837280.

The previous prime is 5211445487. The next prime is 5211445573. The reversal of 5211445541 is 1455441125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5211445541 - 2²² = 5207251237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5211445498 and 5211445507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211445241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763321 + ... + 1766273.

It is an arithmetic number, because the mean of its divisors is an integer number (652633128).

Almost surely, 2^5211445541 is an apocalyptic number.

It is an amenable number.

5211445541 is a deficient number, since it is larger than the sum of its proper divisors (9619483).

5211445541 is a wasteful number, since it uses less digits than its factorization.

5211445541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611.

The product of its digits is 16000, while the sum is 32.

The square root of 5211445541 is about 72190.3424358134. The cubic root of 5211445541 is about 1733.7483786136.

Adding to 5211445541 its reverse (1455441125), we get a palindrome (6666886666).

The spelling of 5211445541 in words is "five billion, two hundred eleven million, four hundred forty-five thousand, five hundred forty-one".