5471411251721 has 16 divisors (see below), whose sum is σ = 5740551990144. Its totient is φ = 5204890758144.

The previous prime is 5471411251711. The next prime is 5471411251783. The reversal of 5471411251721 is 1271521141745.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5471411251721 - 2³⁸ = 5196533344777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5471411251711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15212255 + ... + 15567771.

It is an arithmetic number, because the mean of its divisors is an integer number (358784499384).

Almost surely, 2^{5471411251721} is an apocalyptic number.

It is an amenable number.

5471411251721 is a deficient number, since it is larger than the sum of its proper divisors (269140738423).

5471411251721 is a wasteful number, since it uses less digits than its factorization.

5471411251721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359200.

The product of its digits is 78400, while the sum is 41.

The spelling of 5471411251721 in words is "five trillion, four hundred seventy-one billion, four hundred eleven million, two hundred fifty-one thousand, seven hundred twenty-one".