11111105152 has 96 divisors (see below), whose sum is σ = 27104868000. Its totient is φ = 4511227392.

The previous prime is 11111105147. The next prime is 11111105221. The reversal of 11111105152 is 25150111111.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72549 + ... + 165787.

It is an arithmetic number, because the mean of its divisors is an integer number (282342375).

Almost surely, 2^11111105152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11111105152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13552434000).

11111105152 is an abundant number, since it is smaller than the sum of its proper divisors (15993762848).

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

11111105152 is an equidigital number, since it uses as much as digits as its factorization.

11111105152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93286 (or 93267 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 19.

Adding to 11111105152 its reverse (25150111111), we get a palindrome (36261216263).

The spelling of 11111105152 in words is "eleven billion, one hundred eleven million, one hundred five thousand, one hundred fifty-two".