65402365106225 has 288 divisors, whose sum is σ = 105667389354240. Its totient is φ = 39821936394240.

The previous prime is 65402365106219. The next prime is 65402365106231. The reversal of 65402365106225 is 52260156320456.

It is an interprime number because it is at equal distance from previous prime (65402365106219) and next prime (65402365106231).

It is not a de Polignac number, because 65402365106225 - 2⁸ = 65402365105969 is a prime.

It is a super-2 number, since 2×65402365106225² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65402365106225.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 10452668297 + ... + 10452674553.

It is an arithmetic number, because the mean of its divisors is an integer number (366900657480).

Almost surely, 2^{65402365106225} is an apocalyptic number.

It is an amenable number.

65402365106225 is a deficient number, since it is larger than the sum of its proper divisors (40265024248015).

65402365106225 is a wasteful number, since it uses less digits than its factorization.

65402365106225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617 (or 6605 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 65402365106225 in words is "sixty-five trillion, four hundred two billion, three hundred sixty-five million, one hundred six thousand, two hundred twenty-five".