65455002511 has 4 divisors (see below), whose sum is σ = 65505470272. Its totient is φ = 65404534752.

The previous prime is 65455002499. The next prime is 65455002533. The reversal of 65455002511 is 11520055456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65455002511 - 2²¹ = 65452905359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65455002581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25231935 + ... + 25234528.

It is an arithmetic number, because the mean of its divisors is an integer number (16376367568).

Almost surely, 2^65455002511 is an apocalyptic number.

65455002511 is a deficient number, since it is larger than the sum of its proper divisors (50467761).

65455002511 is a wasteful number, since it uses less digits than its factorization.

65455002511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50467760.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 65455002511 its reverse (11520055456), we get a palindrome (76975057967).

The spelling of 65455002511 in words is "sixty-five billion, four hundred fifty-five million, two thousand, five hundred eleven".