125056527571 has 4 divisors (see below), whose sum is σ = 125177824944. Its totient is φ = 124935230200.

The previous prime is 125056527403. The next prime is 125056527677. The reversal of 125056527571 is 175725650521.

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 125056527571 - 2¹¹ = 125056525523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125056522571) 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, 60647140 + ... + 60649201.

It is an arithmetic number, because the mean of its divisors is an integer number (31294456236).

Almost surely, 2^125056527571 is an apocalyptic number.

125056527571 is a deficient number, since it is larger than the sum of its proper divisors (121297373).

125056527571 is a wasteful number, since it uses less digits than its factorization.

125056527571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121297372.

The product of its (nonzero) digits is 735000, while the sum is 46.

The spelling of 125056527571 in words is "one hundred twenty-five billion, fifty-six million, five hundred twenty-seven thousand, five hundred seventy-one".