125553100503 has 8 divisors (see below), whose sum is σ = 167424559600. Its totient is φ = 83691854208.

The previous prime is 125553100481. The next prime is 125553100529. The reversal of 125553100503 is 305001355521.

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

It is not a de Polignac number, because 125553100503 - 2⁸ = 125553100247 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 (125553100583) 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, 2524468 + ... + 2573721.

It is an arithmetic number, because the mean of its divisors is an integer number (20928069950).

Almost surely, 2^125553100503 is an apocalyptic number.

125553100503 is a deficient number, since it is larger than the sum of its proper divisors (41871459097).

125553100503 is an equidigital number, since it uses as much as digits as its factorization.

125553100503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106401.

The product of its (nonzero) digits is 11250, while the sum is 30.

The spelling of 125553100503 in words is "one hundred twenty-five billion, five hundred fifty-three million, one hundred thousand, five hundred three".