65025753121 has 32 divisors (see below), whose sum is σ = 81948672000. Its totient is φ = 50336500032.

The previous prime is 65025753103. The next prime is 65025753167. The reversal of 65025753121 is 12135752056.

It is not a de Polignac number, because 65025753121 - 2⁷ = 65025752993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65025753101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198000 + ... + 411406.

It is an arithmetic number, because the mean of its divisors is an integer number (2560896000).

Almost surely, 2^65025753121 is an apocalyptic number.

It is an amenable number.

65025753121 is a deficient number, since it is larger than the sum of its proper divisors (16922918879).

65025753121 is a wasteful number, since it uses less digits than its factorization.

65025753121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213541.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 65025753121 in words is "sixty-five billion, twenty-five million, seven hundred fifty-three thousand, one hundred twenty-one".