65431055361 has 8 divisors (see below), whose sum is σ = 99704465344. Its totient is φ = 37389174480.

The previous prime is 65431055341. The next prime is 65431055377. The reversal of 65431055361 is 16355013456.

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

It is not a de Polignac number, because 65431055361 - 2⁵ = 65431055329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65431055341) 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, 1557882250 + ... + 1557882291.

It is an arithmetic number, because the mean of its divisors is an integer number (12463058168).

Almost surely, 2^65431055361 is an apocalyptic number.

It is an amenable number.

65431055361 is a deficient number, since it is larger than the sum of its proper divisors (34273409983).

65431055361 is a wasteful number, since it uses less digits than its factorization.

65431055361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115764551.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 65431055361 in words is "sixty-five billion, four hundred thirty-one million, fifty-five thousand, three hundred sixty-one".