125666004711 has 16 divisors (see below), whose sum is σ = 180476604000. Its totient is φ = 77318736000.

The previous prime is 125666004683. The next prime is 125666004721. The reversal of 125666004711 is 117400666521.

It is not a de Polignac number, because 125666004711 - 2⁶ = 125666004647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 125666004711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125666004721) 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 in 15 ways as a sum of consecutive naturals, for example, 78336 + ... + 507413.

It is an arithmetic number, because the mean of its divisors is an integer number (11279787750).

Almost surely, 2^125666004711 is an apocalyptic number.

125666004711 is a deficient number, since it is larger than the sum of its proper divisors (54810599289).

125666004711 is a wasteful number, since it uses less digits than its factorization.

125666004711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591266.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 125666004711 in words is "one hundred twenty-five billion, six hundred sixty-six million, four thousand, seven hundred eleven".