65561063010 has 32 divisors (see below), whose sum is σ = 157353898752. Its totient is φ = 17482133760.

The previous prime is 65561062999. The next prime is 65561063027. The reversal of 65561063010 is 1036016556.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881575 + ... + 953045.

It is an arithmetic number, because the mean of its divisors is an integer number (4917309336).

Almost surely, 2^65561063010 is an apocalyptic number.

65561063010 is an abundant number, since it is smaller than the sum of its proper divisors (91792835742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65561063010 is a wasteful number, since it uses less digits than its factorization.

65561063010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102058.

The product of its (nonzero) digits is 16200, while the sum is 33.

Adding to 65561063010 its reverse (1036016556), we get a palindrome (66597079566).

The spelling of 65561063010 in words is "sixty-five billion, five hundred sixty-one million, sixty-three thousand, ten".