65242261611 has 24 divisors (see below), whose sum is σ = 98351210880. Its totient is φ = 41623362816.

The previous prime is 65242261597. The next prime is 65242261613. The reversal of 65242261611 is 11616224256.

65242261611 is a `hidden beast` number, since 6 + 5 + 2 + 4 + 22 + 616 + 11 = 666.

It is not a de Polignac number, because 65242261611 - 2²⁹ = 64705390699 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (65242261613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1076571 + ... + 1135556.

It is an arithmetic number, because the mean of its divisors is an integer number (4097967120).

Almost surely, 2^65242261611 is an apocalyptic number.

65242261611 is a deficient number, since it is larger than the sum of its proper divisors (33108949269).

65242261611 is a wasteful number, since it uses less digits than its factorization.

65242261611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212275 (or 2212272 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

Adding to 65242261611 its reverse (11616224256), we get a palindrome (76858485867).

The spelling of 65242261611 in words is "sixty-five billion, two hundred forty-two million, two hundred sixty-one thousand, six hundred eleven".