11154250080 has 144 divisors (see below), whose sum is σ = 38992472064. Its totient is φ = 2901903360.

The previous prime is 11154250073. The next prime is 11154250091. The reversal of 11154250080 is 8005245111.

11154250080 is a `hidden beast` number, since 1 + 1 + 154 + 2 + 500 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35424 + ... + 153503.

It is an arithmetic number, because the mean of its divisors is an integer number (270781056).

Almost surely, 2^11154250080 is an apocalyptic number.

11154250080 is a gapful number since it is divisible by the number (10) 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 11154250080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19496236032).

11154250080 is an abundant number, since it is smaller than the sum of its proper divisors (27838221984).

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

11154250080 is a wasteful number, since it uses less digits than its factorization.

11154250080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188989 (or 188978 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 11154250080 its reverse (8005245111), we get a palindrome (19159495191).

The spelling of 11154250080 in words is "eleven billion, one hundred fifty-four million, two hundred fifty thousand, eighty".