65611061141 has 4 divisors (see below), whose sum is σ = 65630010912. Its totient is φ = 65592111372.

The previous prime is 65611061129. The next prime is 65611061149. The reversal of 65611061141 is 14116011656.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65611061141 - 2¹⁰ = 65611060117 is a prime.

It is a super-2 number, since 2×65611061141² (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 = 65611061098 and 65611061107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65611061149) 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, 9469691 + ... + 9476616.

It is an arithmetic number, because the mean of its divisors is an integer number (16407502728).

Almost surely, 2^65611061141 is an apocalyptic number.

It is an amenable number.

65611061141 is a deficient number, since it is larger than the sum of its proper divisors (18949771).

65611061141 is a wasteful number, since it uses less digits than its factorization.

65611061141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18949770.

The product of its (nonzero) digits is 4320, while the sum is 32.

Adding to 65611061141 its reverse (14116011656), we get a palindrome (79727072797).

The spelling of 65611061141 in words is "sixty-five billion, six hundred eleven million, sixty-one thousand, one hundred forty-one".