11111233340 has 48 divisors (see below), whose sum is σ = 23845497984. Its totient is φ = 4347110400.

The previous prime is 11111233319. The next prime is 11111233349. The reversal of 11111233340 is 4333211111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111233349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2009780 + ... + 2015300.

It is an arithmetic number, because the mean of its divisors is an integer number (496781208).

Almost surely, 2^11111233340 is an apocalyptic number.

11111233340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111233340 is an abundant number, since it is smaller than the sum of its proper divisors (12734264644).

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

11111233340 is a wasteful number, since it uses less digits than its factorization.

11111233340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7718 (or 7716 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11111233340 its reverse (4333211111), we get a palindrome (15444444451).

The spelling of 11111233340 in words is "eleven billion, one hundred eleven million, two hundred thirty-three thousand, three hundred forty".