125530535541 has 4 divisors (see below), whose sum is σ = 167374047392. Its totient is φ = 83687023692.

The previous prime is 125530535531. The next prime is 125530535587. The reversal of 125530535541 is 145535035521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 125530535541 - 2⁶ = 125530535477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125530535541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125530535531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20921755921 + ... + 20921755926.

It is an arithmetic number, because the mean of its divisors is an integer number (41843511848).

Almost surely, 2^125530535541 is an apocalyptic number.

It is an amenable number.

125530535541 is a deficient number, since it is larger than the sum of its proper divisors (41843511851).

125530535541 is an equidigital number, since it uses as much as digits as its factorization.

125530535541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41843511850.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 125530535541 in words is "one hundred twenty-five billion, five hundred thirty million, five hundred thirty-five thousand, five hundred forty-one".