65113320881577 has 8 divisors (see below), whose sum is σ = 88664947583616. Its totient is φ = 42485287383632.

The previous prime is 65113320881563. The next prime is 65113320881627. The reversal of 65113320881577 is 77518802331156.

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 65113320881577 - 2¹² = 65113320877481 is a prime.

It is a super-2 number, since 2×65113320881577² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65113322881577) 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, 230898300858 + ... + 230898301139.

It is an arithmetic number, because the mean of its divisors is an integer number (11083118447952).

Almost surely, 2^{65113320881577} is an apocalyptic number.

It is an amenable number.

65113320881577 is a deficient number, since it is larger than the sum of its proper divisors (23551626702039).

65113320881577 is a wasteful number, since it uses less digits than its factorization.

65113320881577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461796602047.

The product of its (nonzero) digits is 8467200, while the sum is 57.

The spelling of 65113320881577 in words is "sixty-five trillion, one hundred thirteen billion, three hundred twenty million, eight hundred eighty-one thousand, five hundred seventy-seven".