11185042656 has 48 divisors (see below), whose sum is σ = 29410398864. Its totient is φ = 3722041344.

The previous prime is 11185042643. The next prime is 11185042709. The reversal of 11185042656 is 65624058111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41311 + ... + 155166.

It is an arithmetic number, because the mean of its divisors is an integer number (612716643).

Almost surely, 2^11185042656 is an apocalyptic number.

11185042656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11185042656 is an abundant number, since it is smaller than the sum of its proper divisors (18225356208).

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

11185042656 is a wasteful number, since it uses less digits than its factorization.

11185042656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197083 (or 197075 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 11185042656 in words is "eleven billion, one hundred eighty-five million, forty-two thousand, six hundred fifty-six".