125623489968 has 60 divisors (see below), whose sum is σ = 353106633360. Its totient is φ = 41691627648.

The previous prime is 125623489921. The next prime is 125623490017. The reversal of 125623489968 is 869984326521.

125623489968 is a `hidden beast` number, since 1 + 2 + 5 + 62 + 3 + 489 + 96 + 8 = 666.

It is a super-2 number, since 2×125623489968² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1871796 + ... + 1937747.

It is an arithmetic number, because the mean of its divisors is an integer number (5885110556).

Almost surely, 2^125623489968 is an apocalyptic number.

125623489968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

125623489968 is an abundant number, since it is smaller than the sum of its proper divisors (227483143392).

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

125623489968 is a wasteful number, since it uses less digits than its factorization.

125623489968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809786 (or 3809777 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 125623489968 in words is "one hundred twenty-five billion, six hundred twenty-three million, four hundred eighty-nine thousand, nine hundred sixty-eight".