65061561115156 has 12 divisors (see below), whose sum is σ = 113858208348192. Its totient is φ = 32530644444248.

The previous prime is 65061561115099. The next prime is 65061561115157. The reversal of 65061561115156 is 65151116516056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65061561115157) 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, 32949040 + ... + 34867783.

It is an arithmetic number, because the mean of its divisors is an integer number (9488184029016).

Almost surely, 2^{65061561115156} is an apocalyptic number.

It is an amenable number.

65061561115156 is a deficient number, since it is larger than the sum of its proper divisors (48796647233036).

65061561115156 is a wasteful number, since it uses less digits than its factorization.

65061561115156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68056670 (or 68056668 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 49.

The spelling of 65061561115156 in words is "sixty-five trillion, sixty-one billion, five hundred sixty-one million, one hundred fifteen thousand, one hundred fifty-six".