125063312040 has 64 divisors (see below), whose sum is σ = 416877710400. Its totient is φ = 33350216256.

The previous prime is 125063312009. The next prime is 125063312047. The reversal of 125063312040 is 40213360521.

125063312040 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 633 + 1 + 20 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 125063311995 and 125063312013.

It is not an unprimeable number, because it can be changed into a prime (125063312047) 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 15 ways as a sum of consecutive naturals, for example, 57898602 + ... + 57900761.

It is an arithmetic number, because the mean of its divisors is an integer number (6513714225).

Almost surely, 2^125063312040 is an apocalyptic number.

125063312040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125063312040 is an abundant number, since it is smaller than the sum of its proper divisors (291814398360).

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

125063312040 is a wasteful number, since it uses less digits than its factorization.

125063312040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115799383 (or 115799373 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 125063312040 its reverse (40213360521), we get a palindrome (165276672561).

The spelling of 125063312040 in words is "one hundred twenty-five billion, sixty-three million, three hundred twelve thousand, forty".