11150503552 has 128 divisors (see below), whose sum is σ = 23903006400. Its totient is φ = 5165752320.

The previous prime is 11150503537. The next prime is 11150503597. The reversal of 11150503552 is 25530505111.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 11150503552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32133843 + ... + 32134189.

Almost surely, 2^11150503552 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 11150503552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11951503200).

11150503552 is an abundant number, since it is smaller than the sum of its proper divisors (12752502848).

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

11150503552 is a wasteful number, since it uses less digits than its factorization.

11150503552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 11150503552 in words is "eleven billion, one hundred fifty million, five hundred three thousand, five hundred fifty-two".