125046135566 has 8 divisors (see below), whose sum is σ = 204620949144. Its totient is φ = 56839152520.

The previous prime is 125046135481. The next prime is 125046135581. The reversal of 125046135566 is 665531640521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2841957605 + ... + 2841957648.

It is an arithmetic number, because the mean of its divisors is an integer number (25577618643).

Almost surely, 2^125046135566 is an apocalyptic number.

125046135566 is a deficient number, since it is larger than the sum of its proper divisors (79574813578).

125046135566 is a wasteful number, since it uses less digits than its factorization.

125046135566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683915266.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 125046135566 in words is "one hundred twenty-five billion, forty-six million, one hundred thirty-five thousand, five hundred sixty-six".