125538034458 has 16 divisors (see below), whose sum is σ = 251079786720. Its totient is φ = 41845391856.

The previous prime is 125538034409. The next prime is 125538034459. The reversal of 125538034458 is 854430835521.

It is not an unprimeable number, because it can be changed into a prime (125538034459) 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, 491641 + ... + 701987.

It is an arithmetic number, because the mean of its divisors is an integer number (15692486670).

Almost surely, 2^125538034458 is an apocalyptic number.

125538034458 is an abundant number, since it is smaller than the sum of its proper divisors (125541752262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125538034458 is a wasteful number, since it uses less digits than its factorization.

125538034458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309821.

The product of its (nonzero) digits is 2304000, while the sum is 48.

Adding to 125538034458 its reverse (854430835521), we get a palindrome (979968869979).

The spelling of 125538034458 in words is "one hundred twenty-five billion, five hundred thirty-eight million, thirty-four thousand, four hundred fifty-eight".