66265050043125 has 60 divisors (see below), whose sum is σ = 123731320412700. Its totient is φ = 34122692352000.

The previous prime is 66265050043121. The next prime is 66265050043139. The reversal of 66265050043125 is 52134005056266.

66265050043125 is a `hidden beast` number, since 6 + 62 + 6 + 50 + 500 + 4 + 31 + 2 + 5 = 666.

It can be written as a sum of positive squares in 10 ways, for example, as 64495322686404 + 1769727356721 = 8030898^2 + 1330311^2 .

It is not a de Polignac number, because 66265050043125 - 2² = 66265050043121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66265050043121) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 202948140 + ... + 203274389.

It is an arithmetic number, because the mean of its divisors is an integer number (2062188673545).

Almost surely, 2^{66265050043125} is an apocalyptic number.

It is an amenable number.

66265050043125 is a deficient number, since it is larger than the sum of its proper divisors (57466270369575).

66265050043125 is a wasteful number, since it uses less digits than its factorization.

66265050043125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406222584 (or 406222566 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 66265050043125 in words is "sixty-six trillion, two hundred sixty-five billion, fifty million, forty-three thousand, one hundred twenty-five".