11109927492 has 192 divisors, whose sum is σ = 30888345600. Its totient is φ = 3446997120.

The previous prime is 11109927461. The next prime is 11109927527. The reversal of 11109927492 is 29472990111.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10450953 + ... + 10452015.

It is an arithmetic number, because the mean of its divisors is an integer number (160876800).

Almost surely, 2^11109927492 is an apocalyptic number.

11109927492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11109927492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15444172800).

11109927492 is an abundant number, since it is smaller than the sum of its proper divisors (19778418108).

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

11109927492 is a wasteful number, since it uses less digits than its factorization.

11109927492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 11109927492 in words is "eleven billion, one hundred nine million, nine hundred twenty-seven thousand, four hundred ninety-two".