125610212543 has 4 divisors (see below), whose sum is σ = 125629879320. Its totient is φ = 125590545768.

The previous prime is 125610212443. The next prime is 125610212597. The reversal of 125610212543 is 345212016521.

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 125610212543 - 2¹⁶ = 125610147007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125610212443) 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, 9823805 + ... + 9836582.

It is an arithmetic number, because the mean of its divisors is an integer number (31407469830).

Almost surely, 2^125610212543 is an apocalyptic number.

125610212543 is a deficient number, since it is larger than the sum of its proper divisors (19666777).

125610212543 is an equidigital number, since it uses as much as digits as its factorization.

125610212543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19666776.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 125610212543 in words is "one hundred twenty-five billion, six hundred ten million, two hundred twelve thousand, five hundred forty-three".