128103117038544 has 80 divisors (see below), whose sum is σ = 337652942114304. Its totient is φ = 41841335894400.

The previous prime is 128103117038527. The next prime is 128103117038563. The reversal of 128103117038544 is 445830711301821.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 128103117038493 and 128103117038502.

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 15 ways as a sum of consecutive naturals, for example, 114748002 + ... + 115859009.

Almost surely, 2^{128103117038544} is an apocalyptic number.

It is an amenable number.

128103117038544 is an abundant number, since it is smaller than the sum of its proper divisors (209549825075760).

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

128103117038544 is a wasteful number, since it uses less digits than its factorization.

128103117038544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230607256 (or 230607250 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 128103117038544 in words is "one hundred twenty-eight trillion, one hundred three billion, one hundred seventeen million, thirty-eight thousand, five hundred forty-four".