125434442544 has 20 divisors (see below), whose sum is σ = 324038976696. Its totient is φ = 41811480832.

The previous prime is 125434442543. The next prime is 125434442593. The reversal of 125434442544 is 445244434521.

It is a junction number, because it is equal to n+sod(n) for n = 125434442496 and 125434442505.

It is not an unprimeable number, because it can be changed into a prime (125434442543) 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 3 ways as a sum of consecutive naturals, for example, 1306608729 + ... + 1306608824.

Almost surely, 2^125434442544 is an apocalyptic number.

It is an amenable number.

125434442544 is an abundant number, since it is smaller than the sum of its proper divisors (198604534152).

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

125434442544 is a wasteful number, since it uses less digits than its factorization.

125434442544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613217564 (or 2613217558 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 42.

The spelling of 125434442544 in words is "one hundred twenty-five billion, four hundred thirty-four million, four hundred forty-two thousand, five hundred forty-four".