125556134206 has 8 divisors (see below), whose sum is σ = 189817148160. Its totient is φ = 62283751488.

The previous prime is 125556134159. The next prime is 125556134233. The reversal of 125556134206 is 602431655521.

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

It is a super-3 number, since 3×125556134206³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247157491 + ... + 247157998.

It is an arithmetic number, because the mean of its divisors is an integer number (23727143520).

Almost surely, 2^125556134206 is an apocalyptic number.

125556134206 is a deficient number, since it is larger than the sum of its proper divisors (64261013954).

125556134206 is a wasteful number, since it uses less digits than its factorization.

125556134206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494315618.

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 125556134206 its reverse (602431655521), we get a palindrome (727987789727).

The spelling of 125556134206 in words is "one hundred twenty-five billion, five hundred fifty-six million, one hundred thirty-four thousand, two hundred six".