65545523601 has 8 divisors (see below), whose sum is σ = 90407618880. Its totient is φ = 42190222032.

The previous prime is 65545523597. The next prime is 65545523633. The reversal of 65545523601 is 10632554556.

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

It is not a de Polignac number, because 65545523601 - 2² = 65545523597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65545023601) 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, 376698325 + ... + 376698498.

It is an arithmetic number, because the mean of its divisors is an integer number (11300952360).

Almost surely, 2^65545523601 is an apocalyptic number.

It is an amenable number.

65545523601 is a deficient number, since it is larger than the sum of its proper divisors (24862095279).

65545523601 is a wasteful number, since it uses less digits than its factorization.

65545523601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753396855.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 65545523601 in words is "sixty-five billion, five hundred forty-five million, five hundred twenty-three thousand, six hundred one".