65011056 has 40 divisors (see below), whose sum is σ = 183214464. Its totient is φ = 19700160.

The previous prime is 65011033. The next prime is 65011073.

65011056 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61036 + ... + 62091.

Almost surely, 2^65011056 is an apocalyptic number.

65011056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65011056 is an abundant number, since it is smaller than the sum of its proper divisors (118203408).

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

65011056 is a wasteful number, since it uses less digits than its factorization.

65011056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123149 (or 123143 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 65011056 is about 8062.9433831573. The cubic root of 65011056 is about 402.0953710506.

It can be divided in two parts, 6501 and 1056, that added together give a palindrome (7557).

The spelling of 65011056 in words is "sixty-five million, eleven thousand, fifty-six".