65040780203 has 8 divisors (see below), whose sum is σ = 74608650720. Its totient is φ = 55541992320.

The previous prime is 65040780193. The next prime is 65040780227. The reversal of 65040780203 is 30208704056.

It is a happy number.

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 65040780203 - 2²⁴ = 65024002987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65040780263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17268638 + ... + 17272403.

It is an arithmetic number, because the mean of its divisors is an integer number (9326081340).

Almost surely, 2^65040780203 is an apocalyptic number.

65040780203 is a deficient number, since it is larger than the sum of its proper divisors (9567870517).

65040780203 is a wasteful number, since it uses less digits than its factorization.

65040780203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34541317.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 65040780203 in words is "sixty-five billion, forty million, seven hundred eighty thousand, two hundred three".