65122125775 has 48 divisors (see below), whose sum is σ = 95306400000. Its totient is φ = 44116675680.

The previous prime is 65122125773. The next prime is 65122125791. The reversal of 65122125775 is 57752122156.

It is not a de Polignac number, because 65122125775 - 2¹ = 65122125773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65122125773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 665976 + ... + 757474.

It is an arithmetic number, because the mean of its divisors is an integer number (1985550000).

Almost surely, 2^65122125775 is an apocalyptic number.

65122125775 is a deficient number, since it is larger than the sum of its proper divisors (30184274225).

65122125775 is an equidigital number, since it uses as much as digits as its factorization.

65122125775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91613 (or 91594 counting only the distinct ones).

The product of its digits is 294000, while the sum is 43.

The spelling of 65122125775 in words is "sixty-five billion, one hundred twenty-two million, one hundred twenty-five thousand, seven hundred seventy-five".