125205530543 has 8 divisors (see below), whose sum is σ = 125822304960. Its totient is φ = 124589560320.

The previous prime is 125205530531. The next prime is 125205530551. The reversal of 125205530543 is 345035502521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125205530543 - 2³² = 120910563247 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 (125205530503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112298 + ... + 512856.

It is an arithmetic number, because the mean of its divisors is an integer number (15727788120).

Almost surely, 2^125205530543 is an apocalyptic number.

125205530543 is a deficient number, since it is larger than the sum of its proper divisors (616774417).

125205530543 is a wasteful number, since it uses less digits than its factorization.

125205530543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402097.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 125205530543 in words is "one hundred twenty-five billion, two hundred five million, five hundred thirty thousand, five hundred forty-three".