65611308032 has 44 divisors (see below), whose sum is σ = 131198141736. Its totient is φ = 32795750400.

The previous prime is 65611308031. The next prime is 65611308067. The reversal of 65611308032 is 23080311656.

It is a junction number, because it is equal to n+sod(n) for n = 65611307983 and 65611308001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65611308031) 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, 4337282 + ... + 4352382.

Almost surely, 2^65611308032 is an apocalyptic number.

It is an amenable number.

65611308032 is a deficient number, since it is larger than the sum of its proper divisors (65586833704).

65611308032 is a wasteful number, since it uses less digits than its factorization.

65611308032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19364 (or 19346 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 65611308032 its reverse (23080311656), we get a palindrome (88691619688).

The spelling of 65611308032 in words is "sixty-five billion, six hundred eleven million, three hundred eight thousand, thirty-two".