11109608576 has 32 divisors (see below), whose sum is σ = 24144464880. Its totient is φ = 5049821440.

The previous prime is 11109608563. The next prime is 11109608581. The reversal of 11109608576 is 67580690111.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3943766 + ... + 3946581.

Almost surely, 2^11109608576 is an apocalyptic number.

11109608576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11109608576 is an abundant number, since it is smaller than the sum of its proper divisors (13034856304).

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

11109608576 is an equidigital number, since it uses as much as digits as its factorization.

11109608576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7890372 (or 7890360 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 11109608576 in words is "eleven billion, one hundred nine million, six hundred eight thousand, five hundred seventy-six".