75451316065 has 16 divisors (see below), whose sum is σ = 90911753856. Its totient is φ = 60114700800.

The previous prime is 75451316063. The next prime is 75451316071. The reversal of 75451316065 is 56061315457.

It is not a de Polignac number, because 75451316065 - 2¹ = 75451316063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75451316063) 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, 1405060 + ... + 1457770.

It is an arithmetic number, because the mean of its divisors is an integer number (5681984616).

Almost surely, 2^75451316065 is an apocalyptic number.

It is an amenable number.

75451316065 is a deficient number, since it is larger than the sum of its proper divisors (15460437791).

75451316065 is a wasteful number, since it uses less digits than its factorization.

75451316065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53880.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 75451316065 in words is "seventy-five billion, four hundred fifty-one million, three hundred sixteen thousand, sixty-five".