103128808056 has 32 divisors (see below), whose sum is σ = 257998819200. Its totient is φ = 34352696160.

The previous prime is 103128808049. The next prime is 103128808061. The reversal of 103128808056 is 650808821301.

It is a junction number, because it is equal to n+sod(n) for n = 103128807999 and 103128808017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437580 + ... + 1507611.

It is an arithmetic number, because the mean of its divisors is an integer number (8062463100).

Almost surely, 2^103128808056 is an apocalyptic number.

It is an amenable number.

103128808056 is an abundant number, since it is smaller than the sum of its proper divisors (154870011144).

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

103128808056 is a wasteful number, since it uses less digits than its factorization.

103128808056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946659 (or 2946655 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 103128808056 in words is "one hundred three billion, one hundred twenty-eight million, eight hundred eight thousand, fifty-six".