1128821761038 has 8 divisors (see below), whose sum is σ = 2257643522088. Its totient is φ = 376273920344.

The previous prime is 1128821761033. The next prime is 1128821761051. The reversal of 1128821761038 is 8301671288211.

It is a sphenic number, since it is the product of 3 distinct primes.

1128821761038 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128821761033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94068480081 + ... + 94068480092.

It is an arithmetic number, because the mean of its divisors is an integer number (282205440261).

Almost surely, 2^{1128821761038} is an apocalyptic number.

1128821761038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1128821761038 is a wasteful number, since it uses less digits than its factorization.

1128821761038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188136960178.

The product of its (nonzero) digits is 258048, while the sum is 48.

The spelling of 1128821761038 in words is "one trillion, one hundred twenty-eight billion, eight hundred twenty-one million, seven hundred sixty-one thousand, thirty-eight".