125559114171 has 4 divisors (see below), whose sum is σ = 167412152232. Its totient is φ = 83706076112.

The previous prime is 125559114167. The next prime is 125559114181. The reversal of 125559114171 is 171411955521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 125559114171 - 2² = 125559114167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125559114181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20926519026 + ... + 20926519031.

It is an arithmetic number, because the mean of its divisors is an integer number (41853038058).

Almost surely, 2^125559114171 is an apocalyptic number.

125559114171 is a deficient number, since it is larger than the sum of its proper divisors (41853038061).

125559114171 is an equidigital number, since it uses as much as digits as its factorization.

125559114171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41853038060.

The product of its digits is 63000, while the sum is 42.

The spelling of 125559114171 in words is "one hundred twenty-five billion, five hundred fifty-nine million, one hundred fourteen thousand, one hundred seventy-one".