65381029055 has 16 divisors (see below), whose sum is σ = 79971475584. Its totient is φ = 51303248640.

The previous prime is 65381029037. The next prime is 65381029061. The reversal of 65381029055 is 55092018356.

It is not a de Polignac number, because 65381029055 - 2¹² = 65381024959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65381028997 and 65381029015.

It is a congruent number.

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, 428759 + ... + 560888.

It is an arithmetic number, because the mean of its divisors is an integer number (4998217224).

Almost surely, 2^65381029055 is an apocalyptic number.

65381029055 is a deficient number, since it is larger than the sum of its proper divisors (14590446529).

65381029055 is a wasteful number, since it uses less digits than its factorization.

65381029055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989906.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 65381029055 in words is "sixty-five billion, three hundred eighty-one million, twenty-nine thousand, fifty-five".