125343544451 has 8 divisors (see below), whose sum is σ = 125782839360. Its totient is φ = 124904526208.

The previous prime is 125343544439. The next prime is 125343544463. The reversal of 125343544451 is 154445343521.

It is an interprime number because it is at equal distance from previous prime (125343544439) and next prime (125343544463).

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 125343544451 - 2²⁶ = 125276435587 is a prime.

It is a super-2 number, since 2×125343544451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125343544399 and 125343544408.

It is not an unprimeable number, because it can be changed into a prime (125343594451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860315 + ... + 995403.

It is an arithmetic number, because the mean of its divisors is an integer number (15722854920).

Almost surely, 2^125343544451 is an apocalyptic number.

125343544451 is a deficient number, since it is larger than the sum of its proper divisors (439294909).

125343544451 is a wasteful number, since it uses less digits than its factorization.

125343544451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138333.

The product of its digits is 576000, while the sum is 41.

Adding to 125343544451 its reverse (154445343521), we get a palindrome (279788887972).

The spelling of 125343544451 in words is "one hundred twenty-five billion, three hundred forty-three million, five hundred forty-four thousand, four hundred fifty-one".