65064351551 has 4 divisors (see below), whose sum is σ = 65955644112. Its totient is φ = 64173058992.

The previous prime is 65064351529. The next prime is 65064351557. The reversal of 65064351551 is 15515346056.

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 65064351551 - 2⁶ = 65064351487 is a prime.

It is a super-2 number, since 2×65064351551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65064351499 and 65064351508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65064351557) 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, 445646171 + ... + 445646316.

It is an arithmetic number, because the mean of its divisors is an integer number (16488911028).

Almost surely, 2^65064351551 is an apocalyptic number.

65064351551 is a deficient number, since it is larger than the sum of its proper divisors (891292561).

65064351551 is an equidigital number, since it uses as much as digits as its factorization.

65064351551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891292560.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 65064351551 in words is "sixty-five billion, sixty-four million, three hundred fifty-one thousand, five hundred fifty-one".