125400054408 has 32 divisors (see below), whose sum is σ = 320170354560. Its totient is φ = 40910655680.

The previous prime is 125400054391. The next prime is 125400054427. The reversal of 125400054408 is 804450004521.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 55584003 + ... + 55586258.

It is an arithmetic number, because the mean of its divisors is an integer number (10005323580).

Almost surely, 2^125400054408 is an apocalyptic number.

It is an amenable number.

125400054408 is an abundant number, since it is smaller than the sum of its proper divisors (194770300152).

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

125400054408 is a wasteful number, since it uses less digits than its factorization.

125400054408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111170317 (or 111170313 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 125400054408 its reverse (804450004521), we get a palindrome (929850058929).

The spelling of 125400054408 in words is "one hundred twenty-five billion, four hundred million, fifty-four thousand, four hundred eight".