125203451133 has 8 divisors (see below), whose sum is σ = 166940171200. Its totient is φ = 83467849248.

The previous prime is 125203451111. The next prime is 125203451143. The reversal of 125203451133 is 331154302521.

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

It is not a de Polignac number, because 125203451133 - 2¹³ = 125203442941 is a prime.

It is a super-2 number, since 2×125203451133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125203451133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125203451143) 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, 31008 + ... + 501366.

It is an arithmetic number, because the mean of its divisors is an integer number (20867521400).

Almost surely, 2^125203451133 is an apocalyptic number.

It is an amenable number.

125203451133 is a deficient number, since it is larger than the sum of its proper divisors (41736720067).

125203451133 is an equidigital number, since it uses as much as digits as its factorization.

125203451133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559091.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 125203451133 its reverse (331154302521), we get a palindrome (456357753654).

The spelling of 125203451133 in words is "one hundred twenty-five billion, two hundred three million, four hundred fifty-one thousand, one hundred thirty-three".