125004514666 has 4 divisors (see below), whose sum is σ = 187506772002. Its totient is φ = 62502257332.

The previous prime is 125004514627. The next prime is 125004514667. The reversal of 125004514666 is 666415400521.

125004514666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 117775944225 + 7228570441 = 343185^2 + 85021^2 .

It is a super-2 number, since 2×125004514666² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (125004514667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31251128665 + ... + 31251128668.

Almost surely, 2^125004514666 is an apocalyptic number.

125004514666 is a deficient number, since it is larger than the sum of its proper divisors (62502257336).

125004514666 is an equidigital number, since it uses as much as digits as its factorization.

125004514666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62502257335.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 125004514666 in words is "one hundred twenty-five billion, four million, five hundred fourteen thousand, six hundred sixty-six".