11185493004 has 36 divisors (see below), whose sum is σ = 32313647184. Its totient is φ = 3195855072.

The previous prime is 11185493003. The next prime is 11185493029. The reversal of 11185493004 is 40039458111.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11185493004.

It is not an unprimeable number, because it can be changed into a prime (11185493003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22193187 + ... + 22193690.

Almost surely, 2^11185493004 is an apocalyptic number.

11185493004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11185493004 is an abundant number, since it is smaller than the sum of its proper divisors (21128154180).

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

11185493004 is a wasteful number, since it uses less digits than its factorization.

11185493004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44386894 (or 44386889 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 11185493004 in words is "eleven billion, one hundred eighty-five million, four hundred ninety-three thousand, four".