128493265110 has 64 divisors (see below), whose sum is σ = 353025437184. Its totient is φ = 29320992000.

The previous prime is 128493265099. The next prime is 128493265127. The reversal of 128493265110 is 11562394821.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382836 + ... + 635255.

It is an arithmetic number, because the mean of its divisors is an integer number (5516022456).

Almost surely, 2^128493265110 is an apocalyptic number.

128493265110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128493265110 is an abundant number, since it is smaller than the sum of its proper divisors (224532172074).

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

128493265110 is a wasteful number, since it uses less digits than its factorization.

128493265110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018709.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 128493265110 in words is "one hundred twenty-eight billion, four hundred ninety-three million, two hundred sixty-five thousand, one hundred ten".