11111501016 has 192 divisors, whose sum is σ = 37624504320. Its totient is φ = 2878018560.

The previous prime is 11111500999. The next prime is 11111501047. The reversal of 11111501016 is 61010511111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 11111501016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2120736 + ... + 2125968.

It is an arithmetic number, because the mean of its divisors is an integer number (195960960).

Almost surely, 2^11111501016 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 11111501016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18812252160).

11111501016 is an abundant number, since it is smaller than the sum of its proper divisors (26513003304).

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

11111501016 is a wasteful number, since it uses less digits than its factorization.

11111501016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646 (or 5639 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

The spelling of 11111501016 in words is "eleven billion, one hundred eleven million, five hundred one thousand, sixteen".