11909839030128 has 80 divisors (see below), whose sum is σ = 36815314398240. Its totient is φ = 3664565853696.

The previous prime is 11909839030093. The next prime is 11909839030147. The reversal of 11909839030128 is 82103093890911.

11909839030128 is a `hidden beast` number, since 1 + 19 + 0 + 98 + 390 + 30 + 128 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060343301 + ... + 1060354532.

It is an arithmetic number, because the mean of its divisors is an integer number (460191429978).

Almost surely, 2^{11909839030128} is an apocalyptic number.

11909839030128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11909839030128 is an abundant number, since it is smaller than the sum of its proper divisors (24905475368112).

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

11909839030128 is a wasteful number, since it uses less digits than its factorization.

11909839030128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120697863 (or 2120697851 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 11909839030128 in words is "eleven trillion, nine hundred nine billion, eight hundred thirty-nine million, thirty thousand, one hundred twenty-eight".