65525163265111 has 16 divisors (see below), whose sum is σ = 72219716271360. Its totient is φ = 58953577063680.

The previous prime is 65525163265109. The next prime is 65525163265141. The reversal of 65525163265111 is 11156236152556.

It is a cyclic number.

It is not a de Polignac number, because 65525163265111 - 2¹ = 65525163265109 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 (65525163265141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115707910 + ... + 116272828.

It is an arithmetic number, because the mean of its divisors is an integer number (4513732266960).

Almost surely, 2^{65525163265111} is an apocalyptic number.

65525163265111 is a deficient number, since it is larger than the sum of its proper divisors (6694553006249).

65525163265111 is a wasteful number, since it uses less digits than its factorization.

65525163265111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673734.

The product of its digits is 1620000, while the sum is 49.

The spelling of 65525163265111 in words is "sixty-five trillion, five hundred twenty-five billion, one hundred sixty-three million, two hundred sixty-five thousand, one hundred eleven".