125267553503 has 12 divisors (see below), whose sum is σ = 129408602880. Its totient is φ = 121249739520.

The previous prime is 125267553491. The next prime is 125267553547. The reversal of 125267553503 is 305355762521.

It is not a de Polignac number, because 125267553503 - 2¹⁰ = 125267552479 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 (125267553553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79898 + ... + 506871.

It is an arithmetic number, because the mean of its divisors is an integer number (10784050240).

Almost surely, 2^125267553503 is an apocalyptic number.

125267553503 is a deficient number, since it is larger than the sum of its proper divisors (4141049377).

125267553503 is an equidigital number, since it uses as much as digits as its factorization.

125267553503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586978 (or 586937 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 44.

The spelling of 125267553503 in words is "one hundred twenty-five billion, two hundred sixty-seven million, five hundred fifty-three thousand, five hundred three".