65745120441 has 32 divisors (see below), whose sum is σ = 117697563648. Its totient is φ = 31526130240.

The previous prime is 65745120437. The next prime is 65745120449. The reversal of 65745120441 is 14402154756.

It is not a de Polignac number, because 65745120441 - 2² = 65745120437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 65745120441.

It is not an unprimeable number, because it can be changed into a prime (65745120449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10943571 + ... + 10949576.

It is an arithmetic number, because the mean of its divisors is an integer number (3678048864).

Almost surely, 2^65745120441 is an apocalyptic number.

It is an amenable number.

65745120441 is a deficient number, since it is larger than the sum of its proper divisors (51952443207).

65745120441 is a wasteful number, since it uses less digits than its factorization.

65745120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21893181.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 65745120441 in words is "sixty-five billion, seven hundred forty-five million, one hundred twenty thousand, four hundred forty-one".