125555527603 has 8 divisors (see below), whose sum is σ = 137955061440. Its totient is φ = 113320226280.

The previous prime is 125555527567. The next prime is 125555527627. The reversal of 125555527603 is 306725555521.

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 125555527603 - 2⁹ = 125555527091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125555525603) 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 7 ways as a sum of consecutive naturals, for example, 41056525 + ... + 41059582.

It is an arithmetic number, because the mean of its divisors is an integer number (17244382680).

Almost surely, 2^125555527603 is an apocalyptic number.

125555527603 is a deficient number, since it is larger than the sum of its proper divisors (12399533837).

125555527603 is a wasteful number, since it uses less digits than its factorization.

125555527603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82116257.

The product of its (nonzero) digits is 1575000, while the sum is 46.

The spelling of 125555527603 in words is "one hundred twenty-five billion, five hundred fifty-five million, five hundred twenty-seven thousand, six hundred three".