65085455458056 has 64 divisors (see below), whose sum is σ = 177507067795200. Its totient is φ = 19722723048000.

The previous prime is 65085455457989. The next prime is 65085455458109.

65085455458056 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×65085455458056² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39203631 + ... + 40830081.

It is an arithmetic number, because the mean of its divisors is an integer number (2773547934300).

Almost surely, 2^{65085455458056} is an apocalyptic number.

65085455458056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65085455458056 is an abundant number, since it is smaller than the sum of its proper divisors (112421612337144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65085455458056 is a wasteful number, since it uses less digits than its factorization.

65085455458056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778050 (or 1778046 counting only the distinct ones).

The product of its (nonzero) digits is 576000000, while the sum is 66.

The spelling of 65085455458056 in words is "sixty-five trillion, eighty-five billion, four hundred fifty-five million, four hundred fifty-eight thousand, fifty-six".