125423030525440 has 40 divisors (see below), whose sum is σ = 300721313039400. Its totient is φ = 50169212209152.

The previous prime is 125423030525431. The next prime is 125423030525473. The reversal of 125423030525440 is 44525030324521.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×125423030525440³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 125423030525393 and 125423030525402.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 24496683090 + ... + 24496688209.

It is an arithmetic number, because the mean of its divisors is an integer number (7518032825985).

Almost surely, 2^{125423030525440} is an apocalyptic number.

125423030525440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125423030525440 is an abundant number, since it is smaller than the sum of its proper divisors (175298282513960).

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

125423030525440 is an frugal number, since it uses more digits than its factorization.

125423030525440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48993371322 (or 48993371306 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 125423030525440 its reverse (44525030324521), we get a palindrome (169948060849961).

The spelling of 125423030525440 in words is "one hundred twenty-five trillion, four hundred twenty-three billion, thirty million, five hundred twenty-five thousand, four hundred forty".