65097504551 has 4 divisors (see below), whose sum is σ = 65705892552. Its totient is φ = 64489116552.

The previous prime is 65097504547. The next prime is 65097504557. The reversal of 65097504551 is 15540579056.

65097504551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65097504551 - 2² = 65097504547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65097504496 and 65097504505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65097504557) 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, 304193840 + ... + 304194053.

It is an arithmetic number, because the mean of its divisors is an integer number (16426473138).

Almost surely, 2^65097504551 is an apocalyptic number.

65097504551 is a deficient number, since it is larger than the sum of its proper divisors (608388001).

65097504551 is a wasteful number, since it uses less digits than its factorization.

65097504551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608388000.

The product of its (nonzero) digits is 945000, while the sum is 47.

The spelling of 65097504551 in words is "sixty-five billion, ninety-seven million, five hundred four thousand, five hundred fifty-one".