125672556503 has 8 divisors (see below), whose sum is σ = 136405344768. Its totient is φ = 115092006624.

The previous prime is 125672556481. The next prime is 125672556551. The reversal of 125672556503 is 305655276521.

It is a happy number.

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 125672556503 - 2¹⁰ = 125672555479 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 (125672556103) 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, 38057876 + ... + 38061177.

It is an arithmetic number, because the mean of its divisors is an integer number (17050668096).

Almost surely, 2^125672556503 is an apocalyptic number.

125672556503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125672556503 is a deficient number, since it is larger than the sum of its proper divisors (10732788265).

125672556503 is a wasteful number, since it uses less digits than its factorization.

125672556503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76119193.

The product of its (nonzero) digits is 1890000, while the sum is 47.

The spelling of 125672556503 in words is "one hundred twenty-five billion, six hundred seventy-two million, five hundred fifty-six thousand, five hundred three".