125543253134 has 48 divisors (see below), whose sum is σ = 208979160192. Its totient is φ = 56508195744.

The previous prime is 125543253127. The next prime is 125543253139. The reversal of 125543253134 is 431352345521.

It is a super-2 number, since 2×125543253134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125543253139) 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 23 ways as a sum of consecutive naturals, for example, 9920399 + ... + 9933045.

It is an arithmetic number, because the mean of its divisors is an integer number (4353732504).

Almost surely, 2^125543253134 is an apocalyptic number.

125543253134 is a deficient number, since it is larger than the sum of its proper divisors (83435907058).

125543253134 is a wasteful number, since it uses less digits than its factorization.

125543253134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13401 (or 13388 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

Adding to 125543253134 its reverse (431352345521), we get a palindrome (556895598655).

The spelling of 125543253134 in words is "one hundred twenty-five billion, five hundred forty-three million, two hundred fifty-three thousand, one hundred thirty-four".