65061455543 has 24 divisors (see below), whose sum is σ = 78585033600. Its totient is φ = 53643484608.

The previous prime is 65061455539. The next prime is 65061455593. The reversal of 65061455543 is 34555416056.

It is not a de Polignac number, because 65061455543 - 2² = 65061455539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65061455494 and 65061455503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65061455593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297146 + ... + 467352.

It is an arithmetic number, because the mean of its divisors is an integer number (3274376400).

Almost surely, 2^65061455543 is an apocalyptic number.

65061455543 is a deficient number, since it is larger than the sum of its proper divisors (13523578057).

65061455543 is a wasteful number, since it uses less digits than its factorization.

65061455543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170519 (or 170512 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 65061455543 in words is "sixty-five billion, sixty-one million, four hundred fifty-five thousand, five hundred forty-three".