5645581126271 has 8 divisors (see below), whose sum is σ = 5800870111104. Its totient is φ = 5490434547360.

The previous prime is 5645581126253. The next prime is 5645581126303. The reversal of 5645581126271 is 1726211855465.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5645581126271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645581126201) 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, 35521100 + ... + 35679681.

It is an arithmetic number, because the mean of its divisors is an integer number (725108763888).

Almost surely, 2^{5645581126271} is an apocalyptic number.

5645581126271 is a deficient number, since it is larger than the sum of its proper divisors (155288984833).

5645581126271 is a wasteful number, since it uses less digits than its factorization.

5645581126271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71202961.

The product of its digits is 4032000, while the sum is 53.

The spelling of 5645581126271 in words is "five trillion, six hundred forty-five billion, five hundred eighty-one million, one hundred twenty-six thousand, two hundred seventy-one".