1111321140 has 24 divisors (see below), whose sum is σ = 3111699360. Its totient is φ = 296352288.

The previous prime is 1111321129. The next prime is 1111321177. The reversal of 1111321140 is 411231111.

1111321140 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 9260950 + ... + 9261069.

It is an arithmetic number, because the mean of its divisors is an integer number (129654140).

Almost surely, 2^1111321140 is an apocalyptic number.

1111321140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111321140 is an abundant number, since it is smaller than the sum of its proper divisors (2000378220).

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

1111321140 is a wasteful number, since it uses less digits than its factorization.

1111321140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18522031 (or 18522029 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1111321140 is about 33336.4836178023. The cubic root of 1111321140 is about 1035.8094253988.

Adding to 1111321140 its reverse (411231111), we get a palindrome (1522552251).

The spelling of 1111321140 in words is "one billion, one hundred eleven million, three hundred twenty-one thousand, one hundred forty".