4065516024425 has 36 divisors (see below), whose sum is σ = 5200116408228. Its totient is φ = 3152869824000.

The previous prime is 4065516024421. The next prime is 4065516024481. The reversal of 4065516024425 is 5244206155604.

It can be written as a sum of positive squares in 18 ways, for example, as 3931464115264 + 134051909161 = 1982792^2 + 366131^2 .

It is not a de Polignac number, because 4065516024425 - 2² = 4065516024421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4065516024421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6289835 + ... + 6906015.

Almost surely, 2^{4065516024425} is an apocalyptic number.

It is an amenable number.

4065516024425 is a deficient number, since it is larger than the sum of its proper divisors (1134600383803).

4065516024425 is a wasteful number, since it uses less digits than its factorization.

4065516024425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616430 (or 616384 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 4065516024425 in words is "four trillion, sixty-five billion, five hundred sixteen million, twenty-four thousand, four hundred twenty-five".