5471911187 has 4 divisors (see below), whose sum is σ = 5472152400. Its totient is φ = 5471669976.

The previous prime is 5471911177. The next prime is 5471911223. The reversal of 5471911187 is 7811191745.

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

It is a cyclic number.

It is not a de Polignac number, because 5471911187 - 2⁸ = 5471910931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5471911177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82583 + ... + 133280.

It is an arithmetic number, because the mean of its divisors is an integer number (1368038100).

Almost surely, 2^5471911187 is an apocalyptic number.

5471911187 is a deficient number, since it is larger than the sum of its proper divisors (241213).

5471911187 is a wasteful number, since it uses less digits than its factorization.

5471911187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241212.

The product of its digits is 70560, while the sum is 44.

The square root of 5471911187 is about 73972.3677260638. The cubic root of 5471911187 is about 1762.1640893093.

The spelling of 5471911187 in words is "five billion, four hundred seventy-one million, nine hundred eleven thousand, one hundred eighty-seven".