109911910992 has 40 divisors (see below), whose sum is σ = 305780574624. Its totient is φ = 33819049344.

The previous prime is 109911910991. The next prime is 109911911009. The reversal of 109911910992 is 299019119901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109911910991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88069818 + ... + 88071065.

Almost surely, 2^109911910992 is an apocalyptic number.

109911910992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109911910992 is an abundant number, since it is smaller than the sum of its proper divisors (195868663632).

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

109911910992 is a wasteful number, since it uses less digits than its factorization.

109911910992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176140907 (or 176140901 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 51.

It can be divided in two parts, 1099119 and 10992, that added together give a palindrome (1110111).

The spelling of 109911910992 in words is "one hundred nine billion, nine hundred eleven million, nine hundred ten thousand, nine hundred ninety-two".