11055191616 has 168 divisors, whose sum is σ = 37463699520. Its totient is φ = 3049675776.

The previous prime is 11055191599. The next prime is 11055191617. The reversal of 11055191616 is 61619155011.

It is a happy number.

11055191616 is a `hidden beast` number, since 1 + 1 + 0 + 551 + 91 + 6 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is not an unprimeable number, because it can be changed into a prime (11055191617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69655 + ... + 164201.

Almost surely, 2^11055191616 is an apocalyptic number.

11055191616 is a gapful number since it is divisible by the number (16) 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 11055191616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18731849760).

11055191616 is an abundant number, since it is smaller than the sum of its proper divisors (26408507904).

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

11055191616 is a wasteful number, since it uses less digits than its factorization.

11055191616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94601 (or 94588 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 36.

The spelling of 11055191616 in words is "eleven billion, fifty-five million, one hundred ninety-one thousand, six hundred sixteen".