65265516655 has 8 divisors (see below), whose sum is σ = 78323957712. Its totient is φ = 52208854848.

The previous prime is 65265516647. The next prime is 65265516661. The reversal of 65265516655 is 55661556256.

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 65265516655 - 2³ = 65265516647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362734 + ... + 511963.

It is an arithmetic number, because the mean of its divisors is an integer number (9790494714).

Almost surely, 2^65265516655 is an apocalyptic number.

65265516655 is a deficient number, since it is larger than the sum of its proper divisors (13058441057).

65265516655 is a wasteful number, since it uses less digits than its factorization.

65265516655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889625.

The product of its digits is 8100000, while the sum is 52.

The spelling of 65265516655 in words is "sixty-five billion, two hundred sixty-five million, five hundred sixteen thousand, six hundred fifty-five".