125143010211 has 4 divisors (see below), whose sum is σ = 166857346952. Its totient is φ = 83428673472.

The previous prime is 125143010159. The next prime is 125143010221. The reversal of 125143010211 is 112010341521.

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

It is a de Polignac number, because none of the positive numbers 2^k-125143010211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125143010221) 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 3 ways as a sum of consecutive naturals, for example, 20857168366 + ... + 20857168371.

It is an arithmetic number, because the mean of its divisors is an integer number (41714336738).

Almost surely, 2^125143010211 is an apocalyptic number.

125143010211 is a deficient number, since it is larger than the sum of its proper divisors (41714336741).

125143010211 is an equidigital number, since it uses as much as digits as its factorization.

125143010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41714336740.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 125143010211 its reverse (112010341521), we get a palindrome (237153351732).

The spelling of 125143010211 in words is "one hundred twenty-five billion, one hundred forty-three million, ten thousand, two hundred eleven".