128137114550 has 24 divisors (see below), whose sum is σ = 238349214912. Its totient is φ = 51251796000.

The previous prime is 128137114541. The next prime is 128137114561. The reversal of 128137114550 is 55411731821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894920 + ... + 1028180.

It is an arithmetic number, because the mean of its divisors is an integer number (9931217288).

Almost surely, 2^128137114550 is an apocalyptic number.

128137114550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128137114550 is a deficient number, since it is larger than the sum of its proper divisors (110212100362).

128137114550 is a wasteful number, since it uses less digits than its factorization.

128137114550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152504 (or 152499 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 38.

It can be divided in two parts, 1281371 and 14550, that added together give a palindrome (1295921).

The spelling of 128137114550 in words is "one hundred twenty-eight billion, one hundred thirty-seven million, one hundred fourteen thousand, five hundred fifty".