11331112011000 has 128 divisors (see below), whose sum is σ = 35508812002560. Its totient is φ = 3008318544000.

The previous prime is 11331112010987. The next prime is 11331112011029. The reversal of 11331112011000 is 11021113311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7638466 + ... + 9000465.

It is an arithmetic number, because the mean of its divisors is an integer number (277412593770).

Almost surely, 2^{11331112011000} is an apocalyptic number.

11331112011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331112011000 is an abundant number, since it is smaller than the sum of its proper divisors (24177699991560).

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

11331112011000 is a wasteful number, since it uses less digits than its factorization.

11331112011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16639182 (or 16639168 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11331112011000 its reverse (11021113311), we get a palindrome (11342133124311).

The spelling of 11331112011000 in words is "eleven trillion, three hundred thirty-one billion, one hundred twelve million, eleven thousand".