125101055503 has 4 divisors (see below), whose sum is σ = 125148319600. Its totient is φ = 125053791408.

The previous prime is 125101055483. The next prime is 125101055549. The reversal of 125101055503 is 305550101521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125101055503 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 (125101053503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23628078 + ... + 23633371.

It is an arithmetic number, because the mean of its divisors is an integer number (31287079900).

Almost surely, 2^125101055503 is an apocalyptic number.

125101055503 is a deficient number, since it is larger than the sum of its proper divisors (47264097).

125101055503 is an equidigital number, since it uses as much as digits as its factorization.

125101055503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47264096.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 125101055503 in words is "one hundred twenty-five billion, one hundred one million, fifty-five thousand, five hundred three".