125043535144 has 64 divisors (see below), whose sum is σ = 264125030400. Its totient is φ = 54982929600.

The previous prime is 125043535117. The next prime is 125043535151. The reversal of 125043535144 is 441535340521.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8392069 + ... + 8406955.

It is an arithmetic number, because the mean of its divisors is an integer number (4126953600).

Almost surely, 2^125043535144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125043535144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132062515200).

125043535144 is an abundant number, since it is smaller than the sum of its proper divisors (139081495256).

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

125043535144 is a wasteful number, since it uses less digits than its factorization.

125043535144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18014 (or 18010 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 125043535144 its reverse (441535340521), we get a palindrome (566578875665).

The spelling of 125043535144 in words is "one hundred twenty-five billion, forty-three million, five hundred thirty-five thousand, one hundred forty-four".