75565443481 has 8 divisors (see below), whose sum is σ = 85094224128. Its totient is φ = 66479862000.

The previous prime is 75565443469. The next prime is 75565443509. The reversal of 75565443481 is 18434456557.

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 75565443481 - 2¹³ = 75565435289 is a prime.

It is a super-2 number, since 2×75565443481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75565443461) 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, 110799430 + ... + 110800111.

It is an arithmetic number, because the mean of its divisors is an integer number (10636778016).

Almost surely, 2^75565443481 is an apocalyptic number.

It is an amenable number.

75565443481 is a deficient number, since it is larger than the sum of its proper divisors (9528780647).

75565443481 is a wasteful number, since it uses less digits than its factorization.

75565443481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221599583.

The product of its digits is 8064000, while the sum is 52.

The spelling of 75565443481 in words is "seventy-five billion, five hundred sixty-five million, four hundred forty-three thousand, four hundred eighty-one".