125210532523 has 4 divisors (see below), whose sum is σ = 125762121000. Its totient is φ = 124658944048.

The previous prime is 125210532487. The next prime is 125210532583. The reversal of 125210532523 is 325235012521.

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 125210532523 - 2⁹ = 125210532011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125210532583) 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, 275793898 + ... + 275794351.

It is an arithmetic number, because the mean of its divisors is an integer number (31440530250).

Almost surely, 2^125210532523 is an apocalyptic number.

125210532523 is a deficient number, since it is larger than the sum of its proper divisors (551588477).

125210532523 is an equidigital number, since it uses as much as digits as its factorization.

125210532523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551588476.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 125210532523 in words is "one hundred twenty-five billion, two hundred ten million, five hundred thirty-two thousand, five hundred twenty-three".