65725011 has 24 divisors (see below), whose sum is σ = 103821744. Its totient is φ = 39735360.

The previous prime is 65725003. The next prime is 65725019. The reversal of 65725011 is 11052756.

65725011 is a `hidden beast` number, since 657 + 2 + 5 + 0 + 1 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (65725003) and next prime (65725019).

It is not a de Polignac number, because 65725011 - 2³ = 65725003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65725019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74505 + ... + 75381.

It is an arithmetic number, because the mean of its divisors is an integer number (4325906).

Almost surely, 2^65725011 is an apocalyptic number.

65725011 is a deficient number, since it is larger than the sum of its proper divisors (38096733).

65725011 is a wasteful number, since it uses less digits than its factorization.

65725011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 65725011 is about 8107.0963359269. The cubic root of 65725011 is about 403.5619598702.

Adding to 65725011 its reverse (11052756), we get a palindrome (76777767).

The spelling of 65725011 in words is "sixty-five million, seven hundred twenty-five thousand, eleven".