1111213040 has 40 divisors (see below), whose sum is σ = 2952653280. Its totient is φ = 380987136.

The previous prime is 1111213031. The next prime is 1111213063. The reversal of 1111213040 is 403121111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991595 + ... + 992714.

It is an arithmetic number, because the mean of its divisors is an integer number (73816332).

Almost surely, 2^1111213040 is an apocalyptic number.

1111213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111213040 is an abundant number, since it is smaller than the sum of its proper divisors (1841440240).

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

1111213040 is a wasteful number, since it uses less digits than its factorization.

1111213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984329 (or 1984323 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1111213040 is about 33334.8622316037. The cubic root of 1111213040 is about 1035.7758393585.

Adding to 1111213040 its reverse (403121111), we get a palindrome (1514334151).

The spelling of 1111213040 in words is "one billion, one hundred eleven million, two hundred thirteen thousand, forty".