1111313772 has 18 divisors (see below), whose sum is σ = 2809154348. Its totient is φ = 370437912.

The previous prime is 1111313711. The next prime is 1111313773. The reversal of 1111313772 is 2773131111.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1111313773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15434878 + ... + 15434949.

Almost surely, 2^1111313772 is an apocalyptic number.

1111313772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111313772 is an abundant number, since it is smaller than the sum of its proper divisors (1697840576).

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

1111313772 is a wasteful number, since it uses less digits than its factorization.

1111313772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30869837 (or 30869832 counting only the distinct ones).

The product of its digits is 882, while the sum is 27.

The square root of 1111313772 is about 33336.3731080632. The cubic root of 1111313772 is about 1035.8071362733.

Adding to 1111313772 its reverse (2773131111), we get a palindrome (3884444883).

The spelling of 1111313772 in words is "one billion, one hundred eleven million, three hundred thirteen thousand, seven hundred seventy-two".