65240520114561 has 64 divisors (see below), whose sum is σ = 100652630261760. Its totient is φ = 37201873674240.

The previous prime is 65240520114547. The next prime is 65240520114619. The reversal of 65240520114561 is 16541102504256.

It is a happy number.

65240520114561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65240520114561 - 2¹¹ = 65240520112513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65240520114061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10535280 + ... + 15539406.

It is an arithmetic number, because the mean of its divisors is an integer number (1572697347840).

Almost surely, 2^{65240520114561} is an apocalyptic number.

It is an amenable number.

65240520114561 is a deficient number, since it is larger than the sum of its proper divisors (35412110147199).

65240520114561 is a wasteful number, since it uses less digits than its factorization.

65240520114561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004446.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 65240520114561 in words is "sixty-five trillion, two hundred forty billion, five hundred twenty million, one hundred fourteen thousand, five hundred sixty-one".