11011111150 has 48 divisors (see below), whose sum is σ = 22304041200. Its totient is φ = 4019938560.

The previous prime is 11011111141. The next prime is 11011111151. The reversal of 11011111150 is 5111111011.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11011111150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011111151) 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, 37320 + ... + 153019.

It is an arithmetic number, because the mean of its divisors is an integer number (464667525).

Almost surely, 2^11011111150 is an apocalyptic number.

11011111150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011111150 is an abundant number, since it is smaller than the sum of its proper divisors (11292930050).

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

11011111150 is a wasteful number, since it uses less digits than its factorization.

11011111150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190453 (or 190448 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 13.

Adding to 11011111150 its reverse (5111111011), we get a palindrome (16122222161).

The spelling of 11011111150 in words is "eleven billion, eleven million, one hundred eleven thousand, one hundred fifty".