125101561543 has 8 divisors (see below), whose sum is σ = 143042332320. Its totient is φ = 107178070560.

The previous prime is 125101561517. The next prime is 125101561577. The reversal of 125101561543 is 345165101521.

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 125101561543 - 2³³ = 116511626951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125101561499 and 125101561508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125101561583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4304428 + ... + 4333393.

It is an arithmetic number, because the mean of its divisors is an integer number (17880291540).

Almost surely, 2^125101561543 is an apocalyptic number.

125101561543 is a deficient number, since it is larger than the sum of its proper divisors (17940770777).

125101561543 is an equidigital number, since it uses as much as digits as its factorization.

125101561543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639897.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 125101561543 in words is "one hundred twenty-five billion, one hundred one million, five hundred sixty-one thousand, five hundred forty-three".