8781091941100 has 72 divisors (see below), whose sum is σ = 19434502171280. Its totient is φ = 3443067233280.

The previous prime is 8781091941073. The next prime is 8781091941109. The reversal of 8781091941100 is 11491901878.

It is not an unprimeable number, because it can be changed into a prime (8781091941109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2499945 + ... + 4879744.

Almost surely, 2^{8781091941100} is an apocalyptic number.

It is an amenable number.

8781091941100 is an abundant number, since it is smaller than the sum of its proper divisors (10653410230180).

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

8781091941100 is a wasteful number, since it uses less digits than its factorization.

8781091941100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379939 (or 7379932 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 49.

The spelling of 8781091941100 in words is "eight trillion, seven hundred eighty-one billion, ninety-one million, nine hundred forty-one thousand, one hundred".