65033478855 has 96 divisors (see below), whose sum is σ = 120098474496. Its totient is φ = 33741961344.

The previous prime is 65033478821. The next prime is 65033478859. The reversal of 65033478855 is 55887433056.

65033478855 is a `hidden beast` number, since 6 + 503 + 3 + 4 + 7 + 88 + 55 = 666.

It is not a de Polignac number, because 65033478855 - 2⁶ = 65033478791 is a prime.

It is a super-2 number, since 2×65033478855² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65033478859) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13738069 + ... + 13742801.

It is an arithmetic number, because the mean of its divisors is an integer number (1251025776).

Almost surely, 2^65033478855 is an apocalyptic number.

65033478855 is a deficient number, since it is larger than the sum of its proper divisors (55064995641).

65033478855 is a wasteful number, since it uses less digits than its factorization.

65033478855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 65033478855 in words is "sixty-five billion, thirty-three million, four hundred seventy-eight thousand, eight hundred fifty-five".